Chris King ThreadFit 24 Bottom Bracket with Fit Kit 4 - English, For Shimano Hollowtech II, Silver Road/Track & Cross Cranksets This one is aluminum with

This one is aluminum with softer edges than a steel tool that will mar the finish on your Lefty

but durable at 130g per pedal / 328g pair with cleats

EAN: 7613052330242

UPC: 836572001448

121556-Q0-L

Chris King ThreadFit 24 Bottom Bracket with Fit Kit 4 - English, For Shimano Hollowtech II, Silver Road/Track & Cross Cranksets This one is aluminum withThe 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 Product Specifics Bottom Bracket Shell I. D.: 1. 37 BB Frame Interface: English BB Shell Width (mm): 68 BB Shell Width (mm): 73 Spindle Interface Type: Shimano Hollowtech II Defined Color: Silver Today's Stock Status 4 Available to ship in 2