Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread Together Bottom Bracket BLK MFPN=68551 4 Q-factor: 185

Q-factor: 185

Provides precise real-time speed data to help you monitor and improve your cycling performance

151mm Q-factor Rings 36

Quick and smooth shifting under the heavier chain loads of e-bikes

A stainless-steel bolt gives reliable clamping power and ensures no rust even in the grimmest conditions

Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread Together Bottom Bracket BLK MFPN=68551 4 Q-factor: 185Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread Together Bottom Bracket Black. Machined aluminum shell threads together for precise bearing alignment and frame fit reducing bottom bracket creaking and premature bearing wear. Replaceable Enduro bearings Made in the USA TECH SPECS Bottom Bracket Shell I. D. 42 BB Frame Interface BB30a BB Shell Width (mm) 73 Weight 119 Spindle Interface Type Shimano Hollowtech II Defined Color