Wheels Manufacturing BSA Bottom Bracket - Shimano Hollowtech II Spindle ABEC 3 Purple Model=R2 Disc Rotor }SRAM Post Bracket 20P Standard

}SRAM Post Bracket 20P Standard Mount - Includes Bracket and Stainless Steel Rainbow Bolts

Ultra Bright Daylight Visible Flash Modes

5" compound Addix Soft bead folding type tubeless color black weight 1180g

} Non-scratchy zip closure system for easy removal without taking shoes off

Wheels Manufacturing BSA Bottom Bracket - Shimano Hollowtech II Spindle ABEC 3 Purple Model=R2 Disc Rotor }SRAM Post Bracket 20P StandardWheels Manufacturing BSA Bottom Bracket Shimano Hollowtech II Spindle ABEC 3 Purple. Wheels MFG BSA Bottom Brackets for frames that accept English (BSA) threaded bottom brackets TECH SPECS Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 BB Shell Width (mm) 73 Weight 105 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type RaceFace EXI Spindle Interface Type FSA MegaExo Defined Color Purple