Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread Together Bottom Bracket BLK MFPN=68551 4 Misc Standard Eyelet 47

Misc Standard Eyelet 47

Extra material has been removed from the teeth to reduce running noise at the extremes of the cassette and provide excellent mud shedding characteristics

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

Fully servicable design for an extended life

Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread Together Bottom Bracket BLK MFPN=68551 4 Misc Standard Eyelet 47Wheels 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