Rant Bang Ur American Bottom Bracket

J&R Bicycles, Inc. Verified independent store

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Coming in at only 5.5oz, the Rant Bang Ur American Bottom Bracket provides you an upgrade over your current bottom bracket kit. Two R12 sealed bearings are housed within CNC machin ed 6061 housings and four steel crank arm spacers are included for setting up your chain alignment. SPECIFICATIONS Size: 19mm or 22mm and American R12 Sealed Bearings 100% CNC 6061-T6 Alloy Cones Includes spacers for custom fit Weight: 5.5oz Show more