Chris King ThreadFit 24 Bottom Bracket Fit Kit 4 - English For Shimano Hollowtech II Red MFPN=4CB10BLU Tightly packed center knobs are

Tightly packed center knobs are ramped for rolling efficiency

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Chris King ThreadFit 24 Bottom Bracket Fit Kit 4 - English For Shimano Hollowtech II Red MFPN=4CB10BLU Tightly packed center knobs areChris King ThreadFit 24 Bottom Bracket with Fit Kit 4 English For Shimano Hollowtech II Red. Chris King ThreadFit 24 bottom brackets are designed and built to be durable serviceable and silent. Bearings can be serviced with the Chris King Grease injector tool. King made in house bearings King Lifetime warranty TECH SPECS Defined Color Red Bottom Bracket Shell I. D. 1. 37 Spindle Interface Type Shimano Hollowtech II BB Shell Width (mm) 68 BB Shell