Wheels Manufacturing BB30 to Shimano Bottom Bracket Angular Contact Bearings BLK Cups

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

Bottom Bracket Shell I.D.	42
BB/Frame Interface	BB30
BB Shell Width (mm)	73
Weight	127
Spindle Interface Type	RaceFace EXI
Defined Color	Black