Wheels Manufacturing BSA Bottom Bracket - SRAM MTB Angular Contact Bearings BLK Cups Z2 fork axle The hollow forged crank maximizes

The hollow forged crank maximizes power transfer while limiting weight

(mm) 51 Thickness 6

Biodegradable ultra slippery formula

Inset 7 has 44mm upper internal cup 44mm lower external cup 1

Wheels Manufacturing BSA Bottom Bracket - SRAM MTB Angular Contact Bearings BLK Cups Z2 fork axle The hollow forged crank maximizesWheels Manufacturing BSA Bottom Bracket SRAM MTB Angular Contact Bearings Black Cups. 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 98 Spindle Interface Type SRAM Truvativ GXP Defined Color Black