Redesigned by the world’s fastest racers, for the world’s fastest racers, RockShox BoXXer Ultimate (FS-BXR-ULT-D1) is the ally you want in your corner. The all-new 38mm chassis features the DebonAir+ twin tube air spring, delivering a ride that feels just like a coil. Combined with the Charger 3 RC2 damper tuned for downhill speed, the BoXXer Ultimate is engineered to take you straight to the top step of the podium. With new crown adjustment lines, setup is a breeze—no rulers required.
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Features:
- NEW 38mm chassis designed to meet the needs of the world’s fastest racers with balanced stiffness and ride quality
- NEW DebonAir+ twin tube air spring strikes the perfect balance between butter-smooth small bump feel, added support throughout the travel, and taller ride height for confidence when things get steep
- NEW Signature colorway BoXXer Electric Red with an all-new graphics package
- NEW RockShox premium fender compatibility (RockShox Bolt-On Fender included with purchase)
- NEW Lightweight machined and anodized crown for premium looks and durability
- NEW Crown height gradient creates a visual guide to simplify setup, no ruler required
- Charger 3 damper tuned for BoXXer’s updated chassis and spring. Featuring High Speed Compression, Low Speed Compression, and a revamped Low Speed Rebound, every click is meaningful and exact. This allows the rider to tune to perfection with every click.
- ButterCups block 20% of high-frequency “trail chatter” to reduce hand and arm fatigue, leaving you feeling fresh with more control
- Ultra-low-friction SKF wiper seals provide long-lasting fork performance and improve overall suspension feel
- Maxima Plush damping fluid reduces friction and silences damper noise
- Maxima Plush Dynamic Suspension Lube reduces friction, lasts longer, and enhances suspension performance ride after ride
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Specifications:
WHEEL SIZE | 29" |
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TRAVEL (MM) | 200mm |
DAMPER TYPE | Charger 3 RC2 W/ButterCups |
FORK OFFSET | 48mm (29"), 52mm (29") |
COLOR (FS) | BoXXer Electric Red - Gloss, Gloss Black |
E-BIKE APPROVED | E-bike Approved |
STEERER | 1-1/8" Aluminum |
AXLE | 20x110mm BOOST™ |
UPPER TUBE TYPE | 38mm aluminum |
DAMPER ADJUST | Crown |
VOLUME REDUCER | 0/6 Tokens, 1/6 Tokens |
SPRING | DebonAir+ W/ButterCups |
MAX TIRE WIDTH (MM) | 81 |
MAXIMUM ROTOR SIZE | 220mm |
MINIMUM ROTOR SIZE | 200mm |
FENDER COMPATIBILITY | Bolt On - Short |
WEIGHT (G) | 2880g |
WEIGHT BASED ON | 200mm, Short Crown (Weights same for 27.5" and 29") |