{"title":"Seat Posts","description":"","products":[{"product_id":"redshift-shockstop-endurance-suspension-seat-post","title":"Redshift ShockStop Endurance Suspension Seat Post","description":"\u003cp data-start=\"712\" data-end=\"856\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cspan\u003eThe patent-pending Redshift ShockStop Endurance suspension seat post (Redshift's original seat post) delivers 35mm of tunable, ultra-responsive travel to smooth out rough terrain and maximize comfort. Ride farther, faster, and more comfortably on the bike you already own, while the ShockStop Endurance Suspension seat post lets you float over chatter, bumps, and broken surfaces with ease.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"712\" data-end=\"856\"\u003e\u003cspan\u003eRide farther \u0026amp; more often - the Redshift ShockStop Endurance seat post reduces fatigue from bumps and vibrations with superior shock absorption. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"712\" data-end=\"856\"\u003e\u003cspan\u003eRide faster \u0026amp; reduce fatigue - energy that is normally wasted suspending your body is converted into forward motion. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-start=\"712\" data-end=\"856\"\u003e\u003cspan\u003eBetter performance \u0026amp; complete control - customize your suspension seat post feel to float over obstacles and maintain traction and control. \u003cimg\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"712\" data-end=\"856\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cspan\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/kRpOlTIdt08?si=HR7CZN3_3BTMJ-c4\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e________\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cul\u003e\n\u003cli class=\"column\"\u003e\u003cspan\u003e35mm of active suspension travel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"column\"\u003e\u003cspan\u003eOptimized linkage geometry provides ultra-responsive suspension feel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"column\"\u003e\u003cspan\u003eInfinitely adjustable stiffness via pre-load adjustment and swappable springs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"column\"\u003e\u003cspan\u003eAdjusting stiffness \/ pre-load does not reduce travel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"column\"\u003e\u003cspan\u003eSwappable springs included to accommodate heavier riders and\/or ride preference\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"column\"\u003e\u003cspan\u003eDi2 battery compatible with 27.2mm diameter x 350mm long size (see specs for details)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck technical specifications for sizes \u0026amp; compatibility\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e________\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e27.2mm, 30.4mm, 30.9mm, 31.6mm  (shims available for additional non-standard seat tube sizes)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e280 mm (11 in)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e350 mm (14 in)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e400mm (15.7in)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e450mm (17.7in)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension Travel\u003c\/td\u003e\n\u003ctd\u003e35 mm (1.4 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRearward Offset\u003c\/td\u003e\n\u003ctd\u003e7 mm (0.27 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRearward Offset (@ 25% travel)\u003c\/td\u003e\n\u003ctd\u003e12 mm (0.47 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Pre-load\u003c\/td\u003e\n\u003ctd\u003eUser Adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e280 mm – 497 g - w\/main spring\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e350mm – 547 - 634g - w\/main spring\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e400mm – 636 - 683g - w\/main spring\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e450mm – 704 - 732g - w\/main spring\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRider Weight Limit\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e110kg (242lb) for 27.2mm and 30.4mm diameters\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e120kg (264lb) for 30.9mm and 31.6mm diameters\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e6061 T6 Aluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaddle Rail Compatibility\u003c\/td\u003e\n\u003ctd\u003e7mm round \u0026amp; 7x9mm oval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDi2 Battery Compatibility\u003c\/td\u003e\n\u003ctd\u003eOnly compatible with the 27.2mm diameter x 350mm length\u003cbr\u003e(\u003ca href=\"https:\/\/redshiftsports.com\/products\/di2-battery-holder-for-shockstop-seatpost\"\u003erequires mount kit sold separately\u003c\/a\u003e)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eASTM F2043 Class 2 - For on and off-road riding and drops less than 15cm (6\").\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0400\/3207\/5934\/files\/Redshift_Seatpost_sizes_480x480.webp?v=1764169541\"\u003e\u003c\/div\u003e","brand":"Redshift","offers":[{"title":"27.2mm \/ 280mm","offer_id":48172070994163,"sku":"RS-50-02","price":369.95,"currency_code":"CAD","in_stock":true},{"title":"27.2mm \/ 350mm","offer_id":48172071059699,"sku":"RS-50-01","price":369.95,"currency_code":"CAD","in_stock":true},{"title":"30.4mm \/ 350mm","offer_id":48172071190771,"sku":"RS-50-22","price":369.95,"currency_code":"CAD","in_stock":true},{"title":"30.4mm \/ 400mm","offer_id":48172071223539,"sku":"RS-50-23","price":369.95,"currency_code":"CAD","in_stock":true},{"title":"30.9mm \/ 350mm","offer_id":48172068864243,"sku":"RS-50-32","price":369.95,"currency_code":"CAD","in_stock":true},{"title":"30.9mm \/ 400mm","offer_id":48172068897011,"sku":"RS-50-33","price":369.95,"currency_code":"CAD","in_stock":true},{"title":"30.9mm \/ 450mm","offer_id":48172077482227,"sku":"RS-50-34","price":369.95,"currency_code":"CAD","in_stock":false},{"title":"31.6mm \/ 350mm","offer_id":48172069028083,"sku":"RS-50-42","price":369.95,"currency_code":"CAD","in_stock":false},{"title":"31.6mm \/ 400mm","offer_id":48172069060851,"sku":"RS-50-43","price":369.95,"currency_code":"CAD","in_stock":false},{"title":"31.6mm \/ 450mm","offer_id":48172077514995,"sku":"RS-50-44","price":369.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0400\/3207\/5934\/files\/Redshift_Endurance_f218bc81-e64d-41e9-8f55-a76d1377a3cf.jpg?v=1764226629"},{"product_id":"redshift-shockstop-pro-endurance-suspension-seat-post","title":"Redshift ShockStop Pro Endurance Suspension Seat Post","description":"\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"UTF-8\"\u003eThe all NEW, patent-pending Redshift ShockStop Pro Endurance Suspension seat post is built for riders who want a lightweight post with a sporty, damped feel, highly tunable stiffness, and 35mm of travel. Its hybrid spring system—combining elastomers with coil springs—delivers a more progressive rate and controlled movement while preserving small-bump sensitivity and low weight. Ideal for gravel, adventure, road, and MTB.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\"\u003e\n\u003cspan\u003eSporty Performance - 35mm of damped suspension travel, providing the perfect choice for riders who want lots of suspension travel in a lightweight package and highly tunable stiffness. \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\"\u003e\n\u003cspan\u003eTunability - \u003c\/span\u003e\u003cspan\u003eThis new design features a combination of elastomers and coil springs for a more progressive spring rate and controlled travel while still maintaining small bump sensitivity and low weight. Swappable elastomers and springs allow you to change the suspension stiffness, while a preload adjustment lets you dial in the perfect feel.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\"\u003e\n\u003cspan\u003eLightweight - up to \u003c\/span\u003e\u003cspan\u003e13\u003c\/span\u003e\u003cspan\u003e% weight reduction (up to 74 \u003c\/span\u003e\u003cspan\u003egrams!) than the equivalent set-up in the standard ShockStop Seatpost and ultra-sleek styling\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\"\u003e\u003cspan\u003eGo farther - reducing fatigue from bumps and vibrations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli aria-level=\"1\"\u003e\u003cspan\u003eRide faster - energy that is normally wasted suspending your body is converted into forward motion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli aria-level=\"1\"\u003e\u003cspan\u003eImprove control - float over obstacles\u003c\/span\u003e\u003c\/li\u003e\n\u003cli aria-level=\"1\"\u003e\n\u003cspan\u003eFor the ultimate suspension system, pair with the \u003c\/span\u003e\u003cspan\u003eShockStop PRO Stem\u003c\/span\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cspan\u003eShockStop Stem\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\"\u003e\n\u003cspan\u003eLooking for fine-tuned race performance \u0026amp; ultra-lightweight? Choose the \u003c\/span\u003e\u003cspan\u003eShockStop PRO Race Seat Post\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/REI0MbfPxCM?si=G3p3u7GPGJ-XuCfG\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e________\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\"\u003e\u003cspan\u003eThe ShockStop Seatpost is available in two length options:\u003c\/span\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli aria-level=\"3\"\u003e\u003cspan\u003e280mm and 350mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli aria-level=\"1\"\u003e\u003cspan\u003e35mm of active suspension travel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli aria-level=\"1\"\u003e\u003cspan\u003eCombination of coil springs \u0026amp; swappable elastomers \u003c\/span\u003e\u003c\/li\u003e\n\u003cli aria-level=\"1\"\u003e\u003cspan\u003eOptimized linkage geometry provides ultra-responsive suspension feel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli aria-level=\"1\"\u003e\u003cspan\u003e350mm size is Di2 battery compatible (using standard di2 adapter), 280mm is NOT Di2 Compatible\u003c\/span\u003e\u003c\/li\u003e\n\u003cli aria-level=\"1\"\u003e\u003cspan\u003eCheck technical specifications for compatibility\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e\u003cspan\u003eWhat's in the Box:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\"\u003e\u003cspan\u003e1 x ShockStop PRO Endurance Suspension Seatpost \u003c\/span\u003e\u003c\/li\u003e\n\u003cli aria-level=\"1\"\u003e\u003cspan\u003ePre-installed inside seatpost:\u003c\/span\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli aria-level=\"2\"\u003e\u003cspan\u003eRed (medium) Elastomer with End Caps\u003c\/span\u003e\u003c\/li\u003e\n\u003cli aria-level=\"2\"\u003e\u003cspan\u003eOuter Coil Spring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli aria-level=\"2\"\u003e\u003cspan\u003eInner Coil Spring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli aria-level=\"2\"\u003e\u003cspan\u003eGreen (Soft) Elastomer with End Caps\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli aria-level=\"1\"\u003e\u003cspan\u003eIncluded in box:\u003c\/span\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli aria-level=\"2\"\u003e\u003cspan\u003eRed (Medium) Elastomer with End Caps\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli aria-level=\"1\"\u003e\u003cspan\u003eAll required hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e________\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e27.2mm (use shims for other seat tube sizes)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e280 mm (11 in)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e350 mm (14 in)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension Travel\u003c\/td\u003e\n\u003ctd\u003e35 mm (1.4 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRearward Offset\u003c\/td\u003e\n\u003ctd\u003e7 mm (0.27 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRearward Offset (@ 25% travel)\u003c\/td\u003e\n\u003ctd\u003e12 mm (0.47 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Pre-load\u003c\/td\u003e\n\u003ctd\u003eUser Adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e280 mm – 445 g \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e350mm – 502 g\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRider Weight Limit\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e110kg (242lb) for 27.2mm diameters\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e6061 T6 Aluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaddle Rail Compatibility\u003c\/td\u003e\n\u003ctd\u003e7mm round \u0026amp; 7x9mm oval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDi2 Battery Compatibility\u003c\/td\u003e\n\u003ctd\u003eOnly compatible with the 27.2mm diameter x 350mm length, please \u003cspan\u003eemail support@redshiftsports.com for PRO Endurance Di2 kit\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eASTM F2043 Class 2 - For on and off-road riding and drops less than 15cm (6\").\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Redshift","offers":[{"title":"27.2mm \/ 280mm","offer_id":48172125520115,"sku":"RS-53-02","price":449.95,"currency_code":"CAD","in_stock":false},{"title":"27.2mm \/ 350mm","offer_id":48172125552883,"sku":"RS-53-01","price":449.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0400\/3207\/5934\/files\/RedshiftProEndurance.jpg?v=1764226630"},{"product_id":"redshift-shockstop-pro-race-suspension-seat-post","title":"Redshift ShockStop Pro Race Suspension Seat Post","description":"\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"7f926335-de38-487b-90db-496c127d9bba\" data-testid=\"conversation-turn-402\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] thread-sm:[--thread-content-margin:--spacing(6)] thread-lg:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] thread-lg:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"4d002ff8-b32a-4dae-a65a-69c6d0aa4cc1\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-thinking\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"465\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThe patent-pending Redshift ShockStop PRO Race Suspension seat post delivers true race-tuned performance while cutting up to 130g compared to the original ShockStop Endurance post. Its hybrid suspension pairs coil springs with elastomers to blend rapid response to bumps and vibration with a refined, low-profile feel that lets you keep power smooth and steady. Rider-adjustable stiffness makes it easy to fine-tune the setup to your preferred feedback and riding style. \u003cspan\u003eBeing more comfort in the saddle means you’ll be able to ride longer, go faster, and maintain control even on the roughest terrain. The minimal, lightweight design of the ShockStop PRO Race Suspension seat post blends seamlessly with the aesthetic of modern gravel and road bikes. \u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRace-tuned - the combination of coil springs and elastomers provides a progressive spring rate that lets the suspension work effortlessly to absorb the bumps and buzz of gravel or road riding, while still providing a firm foundation to maximize power delivered to the pedals. The PRO Race seatpost disappears into the background, letting you stay in control and focused, while leaving you less fatigued after every ride.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePRO Level - up to 25% weight reduction (130 grams!) from original ShockStop Endurance Seatpost and ultra-sleek styling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGo farther - reducing fatigue from bumps and vibrations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRide faster - energy that is normally wasted suspending your body is converted into forward motion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImprove control - float over obstacles\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFor the ultimate suspension system, pair with the ShockStop PRO Stem or ShockStop Stem\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e________\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eThe ShockStop PRO Race seat post is available in two length options:\u003c\/span\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e280mm and 350mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cspan\u003e20mm of active suspension travel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRace-tuned progressive spring rate elastomers \u0026amp; coil springs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptimized linkage geometry provides ultra-responsive suspension feel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDi2 battery compatible (using standard di2 adapter)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck technical specifications for compatibility\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e\u003cspan\u003eWhat's in the Box:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 x ShockStop PRO Race Suspension Seatpost \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePre-installed inside seatpost:\u003c\/span\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eOuter Coil Spring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInner Coil Spring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGreen (Soft) Elastomer with End Caps\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cspan\u003eIncluded in box:\u003c\/span\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRed (Medium) Elastomer with End Caps\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cspan\u003eAll required hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e________\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e27.2 mm (shims available for larger seat tube sizes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e280 mm (11 in)\u003cbr\u003e350 mm (14 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension Travel\u003c\/td\u003e\n\u003ctd\u003e20 mm (0.8 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRearward Offset\u003c\/td\u003e\n\u003ctd\u003e7 mm (0.27 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e280 mm – 380 g (with 2 elastomers)\u003cbr\u003e280 mm - 410 g (with 1 elastomers and double spring)\u003cbr\u003e350 mm – 415 g (with 2 elastomers)\u003cbr\u003e350 mm - 445 g (with 1 elastomer and double spring)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRider Weight Limit\u003c\/td\u003e\n\u003ctd\u003e110 kg (242 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e6061 T6 Aluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaddle Rail Compatibility\u003c\/td\u003e\n\u003ctd\u003e7mm round \u0026amp; 7x9mm oval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDi2 Battery Compatibility\u003c\/td\u003e\n\u003ctd\u003eYes - standard battery holders will fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eASTM F2043 Class 2 - For on and off-road riding and drops less than 15cm (6\").\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Redshift","offers":[{"title":"27.2mm \/ 280mm","offer_id":48172144165107,"sku":"RS-50-14","price":449.95,"currency_code":"CAD","in_stock":false},{"title":"27.2mm \/ 350mm","offer_id":48172144197875,"sku":"RS-50-13","price":449.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0400\/3207\/5934\/files\/RedshiftProRace.jpg?v=1764226629"},{"product_id":"redshift-shockstop-city-suspension-seat-post","title":"Redshift ShockStop City Suspension Seat Post","description":"\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"7f926335-de38-487b-90db-496c127d9bba\" data-testid=\"conversation-turn-402\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] thread-sm:[--thread-content-margin:--spacing(6)] thread-lg:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] thread-lg:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"4d002ff8-b32a-4dae-a65a-69c6d0aa4cc1\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-thinking\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta charset=\"UTF-8\"\u003e\n\u003cp\u003eThe patent-pending Redshift ShockStop City Suspension seat post delivers 35mm of highly tunable, ultra-responsive travel to smooth out potholes, cracks, and curb chatter for maximum comfort. Purpose-built for e-bikes, commuting, and urban riding, it helps you go farther, ride faster, and stay more comfortable—on the bike you already own.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003cul\u003e\n\u003cli\u003eMore comfort \u0026amp; less fatigue - the ShockStop City seat post smooths out your ride and reduces fatigue from bumps and vibrations with superior shock absorption.\u003c\/li\u003e\n\u003cli\u003eBetter performance \u0026amp; complete control - customize your suspension seat post feel to float over obstacles and maintain traction and control.\u003c\/li\u003e\n\u003cli\u003eRide faster \u0026amp; farther - energy that is normally wasted suspending your body over bumps, cracks and potholes is converted into forward motion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e________\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cul\u003e\n\u003cli class=\"column\"\u003e\u003cspan\u003e35mm of active suspension travel optimized for e-bikes, commuting, city riding, and recreation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"column\"\u003e\u003cspan\u003eOptimized linkage geometry provides ultra-responsive suspension feel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"column\"\u003e\u003cspan\u003eInfinitely adjustable stiffness via pre-load adjustment and swappable springs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"column\"\u003e\u003cspan\u003eAdjusting stiffness \/ pre-load does not reduce travel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"column\"\u003e\u003cspan\u003eSwappable springs included to accommodate heavier riders and\/or ride preference\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck technical specifications for sizes \u0026amp; compatibility\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003eWhat's in the Box:\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e1\u003c\/span\u003e\u003cspan\u003e x ShockStop City Suspension Seatpost\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e2\u003c\/span\u003e\u003cspan\u003e x springs (1 pre-installed, 1 included in box for increased stiffness)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAll required hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e________\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30.9mm, 31.6mm \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e350 mm (14 in)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e400mm (15.7in)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension Travel\u003c\/td\u003e\n\u003ctd\u003e35 mm (1.4 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRearward Offset\u003c\/td\u003e\n\u003ctd\u003e7 mm (0.27 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRearward Offset (@ 25% travel)\u003c\/td\u003e\n\u003ctd\u003e12 mm (0.47 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Pre-load\u003c\/td\u003e\n\u003ctd\u003eUser Adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e350mm – 612 - 652g - w\/main spring\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e400mm – 635 - 680g - w\/main spring\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRider Weight Limit\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e139kg (308lb)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e6061 T6 Aluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaddle Rail Compatibility\u003c\/td\u003e\n\u003ctd\u003e7mm round \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eASTM F2043 Class 2 - For on and off-road riding and drops less than 15cm (6\").\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Redshift","offers":[{"title":"30.9mm \/ 350mm","offer_id":48172178735347,"sku":"RS-54-32","price":314.95,"currency_code":"CAD","in_stock":true},{"title":"30.9mm \/ 400mm","offer_id":48172259475699,"sku":"RS-54-33","price":314.95,"currency_code":"CAD","in_stock":true},{"title":"31.6mm \/ 350mm","offer_id":48172259508467,"sku":"RS-54-42","price":314.95,"currency_code":"CAD","in_stock":true},{"title":"31.6mm \/ 400mm","offer_id":48172259541235,"sku":"RS-54-43","price":314.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0400\/3207\/5934\/files\/RedshiftCity.jpg?v=1764226629"}],"url":"https:\/\/bikecomponents-us.com\/collections\/seat-posts.oembed","provider":"Bikecomponents.ca","version":"1.0","type":"link"}