FSA SL Hybrid ACB Bearing 1-1/8" 45°x45° Stroke (mm)-45 Nordic - Size conversion 37

Nordic - Size conversion    37 - 47 Half sizes

Fabric is waterproof but seams are not waterproof sealed

They are compatible with all standard mountain bike handlebars

Not Included: XZN-16 Tool for disassembly

with inner storage for tubeless tire plugs

FSA SL Hybrid ACB Bearing 1-1/8" 45°x45° Stroke (mm)-45 Nordic - Size conversion 37Super 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