Chris King ThreadFit 24 Bottom Bracket Fit Kit 4 - English For Shimano Hollowtech II Red ModelNumber=J3128 8mm rise +/-6 deg length

8mm rise +/-6 deg length 120mm color black

and for polishing the base after scraping and brushing

Combines the Graphene + Silica compound

Tough AL-6061 T-6 aluminum construction

Chris King ThreadFit 24 Bottom Bracket Fit Kit 4 - English For Shimano Hollowtech II Red ModelNumber=J3128 8mm rise +/-6 deg lengthThe 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. Engineered manufactured and assembled in Portland Oregon USALegendary 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