FSA SL Hybrid ACB Bearing 1-1/8" 45°x45° Pearl The WM1 can be used

The WM1 can be used with an insulated hard bottle

Extended Fit System

To apply both FF1 and FF2:

The F2 model is optimized for firmer and faster snow conditions with longer pressure zones to maximize top-end speed and a longer groove to improve stability at high speed on a harder snowpack

Measure your upper seatpost stanchion diameter to determine the correct size to use

FSA SL Hybrid ACB Bearing 1-1/8" 45°x45° Pearl The WM1 can be usedSuper Light (SL) headset bearings are 25% to 38% lighter than conventional bearings and offer similar durability SL bearings use a steel inner race and ball bearings with an abbreviated outer steel race housed inside an alloy shell TECH SPECS model Orbit CE No. 8B description SL ACB bearing 45x45 degree MR042R size 1 1 8" package each