Chris King ThreadFit 30 Bottom Bracket Fit Kit 3 - English For 30mm Spindles Silver Minimum Head Circumference-58 Model Mazza Trail Size 29"

Model Mazza Trail Size 29" Width 2

Designed to keep you in the saddle and out of the service queue

many from Hollowtech II

model M57 speed 7/8sp cage long min/max 11/34t capacity 43t weight 355g color black

25 Material Steel Spring Weight 400

Chris King ThreadFit 30 Bottom Bracket Fit Kit 3 - English For 30mm Spindles Silver Minimum Head Circumference-58 Model Mazza Trail Size 29"The ThreadFit 30 bottom brackets are designed and built to be durable serviceable and silent. Bearings can be serviced with the Chris King Grease injector tool. Legendary King made in house angular contact bearings Fully serviceable and backed by the King Lifetime Warranty this bottom bracket will outlast your bike Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 73 Spindle Interface Type Zipp Vuma Defined Color Silver