Wheels Manufacturing BB30 to Shimano Bottom Bracket with Angular Contact Bearings Black Cups. Machined aluminum shell threads together for precise bearing alignment and frame fit reducing bottom bracket creaking and premature bearing wear.Replaceable Endur
Wheels Manufacturing BB30 to Shimano Bottom Bracket with Angular Contact Bearings Black Cups. Machined aluminum shell threads together for precise bearing alignment and frame fit reducing bottom bracket creaking and premature bearing wear.
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