FSA SL Hybrid ACB Bearing 1-1/8" 36°x45° Model=Computer and Accessory Mounts Custom-molded dual-lip seal on the

Custom-molded dual-lip seal on the crown race protects lower bearing in the toughest conditions

If you have a BB30 crankset (30mm diameter aluminum spindle) the measurement pictured below will help you determine whether it is a long or short spindle

A fleece edge inside for extra warmth and comfort

The Spider 62 Crown is a great ski to do it all - fit in the track at the nordic center

FSA SL Hybrid ACB Bearing 1-1/8" 36°x45° Model=Computer and Accessory Mounts Custom-molded dual-lip seal on theSuper 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 IS and Orbit ZS description SL ACB bearing 36x45 degree MR054R size 1 1 8" package each