Wren Inverted Fat Bike Suspension Fork - 150mm hub

The Wren Inverted Fat Bike Suspension Fork – 150 mm hub, with the NEW All-Weather Damper! All Wren suspension forks come standard with carbon bash guards and clamps, travel clips for adjusting travel only or travel and AC length and a brake hose/cable routing kit.

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Specifications:

Tire Size: Width – 150mm hub is 5.0″. Please refer to the tire size chart.
Wheel Size*: 26″ to 29″. Please refer to the wheel size chart.
Steerer: AL7050 Tapered – 1.125″ ~ 1.5″
Crown: AL6066T6 3D forged
Stanchions: AL7050 hard anodized, 36mm
Uppers: AL7050 hard anodized, 43mm
Dropouts: Forged
Axle: 15 mm thru-axle, available in either Bolt-On (recommended) or QR
Brake: PM6 post mount, direct mount for a 160 mm rotor. Use adapters for 180 mm or 203 mm rotors
Offset: 45mm
Damping System:
Right side – All-Weather, sealed oil cartridge, adjustable rebound and compression with true lockout.
Left side – TwinAir System, fully adjustable.
Weights:
150mm Hub
110mm Travel – 2151 g / 4.7 lb
150mm Travel – 2280 g / 5.0 lb

*Travel might be limited due to size of wheel/tire combination

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The Inverted Design:

The Inverted fork design simply works better. By inverting the fork so that the lighter stanchions are on the bottom, we reduce the mass of the moving part of the fork so that it will react quicker and easier to the trail. Inverting also anchors the stanchions into the stronger, larger upper tubes and crown making the overall chassis much stronger and stiffer. Inverting lowers the fulcrum point where the uppers join the stanchions, compared to other fork designs, decreasing the leverage factor. Inverting also positions the seals downward so that all kinds of bad stuff doesn’t sit on them and get pulled into your fork. A strong, stiff, quickly moving fork is especially important for fat bikes where the size and weight of the tires put increased pressure on the fork.

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The Wren TwinAir system:

The Wren TwinAir System is designed to fine tune the ride of the fork using only your air pump. No disassembly of the fork required. The TwinAir system is similar to the token system used in other suspension forks, but is infinitely more adjustable. Tokens are a fixed size and each one you drop in gives you a jump in the spring rate. The floating piston in the TwinAir system can be moved as little or as much as you want. This allows you to fine tune the spring rate to exactly match your riding style and trail conditions.

The TwinAir system divides the air chamber in half using a floating piston. There are individual air valves for the top and bottom chambers. If you want your ride to be as plush as possible, add air only to the top. If you want a more progressive feel, begin adding air to the bottom. This moves the floating piston up reducing the size of the air chamber. Remember, you have total control over the movement of the floating piston, so fine tuning the air spring is a snap! You can even make adjustments on the trail by caring your shock pump. Try that with a token system.

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The NEW Wren All-Weather Damper:

Introducing the NEW Wren All-Weather damper. Now standard equipment in all Wren suspension forks. Real world tested down to -27°F (so far), the Wren All-Weather damper is the only damper you need to ride in all temperatures. Wren dampers are a sealed cartridge unit that prevents contamination and needs no servicing. The sealed unit uses a flexible bladder to keep the oil under pressure at all times greatly reducing the effects of cavitation at high damper speeds. Wren dampers have both compression and rebound circuits and provide a true lockout. Wren All-Weather dampers are maintenance free ensuring consistent performance over the life of the damper.

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Keyed Stanchions:

Keyed Stanchions keep Wren suspension forks running true and prevent the stanchions from twisting. The 43mm beefy uppers are channeled to accept brass keys that fit to our oversize 36mm stanchions. The keys perfectly align the stanchions in the uppers and are designed to shear should you take a really big hit. This protects the channels and your fork from damage. The fork will still function and the keys are easily replaced.

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INSTALLATION & MANUALS:

We recommend you have your components professionally installed.

Wren TwinAir Setup

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