Wheels Manufacturing BSA Bottom Bracket - Shimano Hollowtech II Spindle ABEC 3 Orange Headset Spacers Affordable drop-in 1-1/8" headset with

Affordable drop-in 1-1/8" headset with crown race top cap and compression ring star nut and compression cap

Reflective logo

Color Jet Black Defined Color Black Fabric Weight Light Finger Style Short Finger Gender/Age Unisex Insulation Type None Padding Gel Season Warm Weather Size Medium Activity Cycling

These upper headsets are for Trek frames with molded-in internal bearing cups

Leak proof seal for safe transport

Wheels Manufacturing BSA Bottom Bracket - Shimano Hollowtech II Spindle ABEC 3 Orange Headset Spacers Affordable drop-in 1-1/8" headset withWheels Manufacturing BSA Bottom Bracket Shimano Hollowtech II Spindle ABEC 3 Orange. BSA Bottom Bracket TECH SPECS BB Shell Width (mm) 68 BB Shell Width (mm) 73 BB Frame Interface English Bottom Bracket Shell I. D. 1. 37 Defined Color Orange Spindle Interface Type Shimano Hollowtech II Spindle Interface Type RaceFace EXI Spindle Interface Type FSA MegaExo Weight 105