Wheels Manufacturing BB30 to Shimano Bottom Bracket ABEC-3 Bearings BLK Cups Model=180 Self extracting system for easy

Self extracting system for easy fitting and removal

automatically switching to the optimal flashing mode to maximize your visual presence at all times

Compatible with 28-34T chainrings

These bearings feature coated races that provide the ultimate performance and longevity

Wheels Manufacturing BB30 to Shimano Bottom Bracket ABEC-3 Bearings BLK Cups Model=180 Self extracting system for easyWheels Manufacturing BB30 to Shimano Bottom Bracket with ABEC 3 Bearings Black 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 TECH SPECS Bottom Bracket Shell I. D. 42 BB Frame Interface BB30 BB Shell Width (mm) 68 BB Shell Width (mm) 73 Weight 127 Spindle Interface Type Shimano Hollowtech II Spindle