Enduro Zero Ceramic Grade 3 6902 Sealed Cartridge Bearing 15 x 28 x 7mm MFPN=100214236 D3O high performance shock absorbing

D3O high performance shock absorbing foam on the front and foam padded sidewalls for additional coverage

For riders who want premium materials

Compression plug for Wolf Tooth headsets

bearing# 17287 ID x OD x W (mm) 17x28x7

Enduro Zero Ceramic Grade 3 6902 Sealed Cartridge Bearing 15 x 28 x 7mm MFPN=100214236 D3O high performance shock absorbingEnduro Zero Ceramic Grade 3 6902 Sealed Cartridge Bearing 15 x 28 x 7mm. Zero Ceramic bearings are the ultimate race day weapon. Oversized Grade 3 balls roll on races which are ground to a mirror finish after receiving Magnetite and then Cryogenic treatments for hardness and longevity and slippery Silicone seals to produce minimum resistance. All measurements are in millimeters ABEC 5 precision cartridge bearing CERBEC USA Grade 3 Si3n4 Silicon