FSA SL Hybrid ACB Bearing 1-1/8" 45°x45° Stroke (mm)-45 Minimal seams in the palm

Minimal seams in the palm to avoid chafing

They are compatible with all standard mountain bike handlebars

how high and where you ride

Nordic - Size conversion    37 - 47 Half sizes

Compatible with any ebike that uses a conventional dropper post mounting and actuating system

FSA SL Hybrid ACB Bearing 1-1/8" 45°x45° Stroke (mm)-45 Minimal seams in the palmSuper 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