Crupi Rhythm - Outboard Bottom Bracket (BMX) Green Tiramic Last One
External mount integrated bottom brackets where the bearings mount outside the bottom bracket shell
Creates less pressure on the bearing allowing them to spin better and faster
Designed to work with all Rhythm cranks as well as any external bearing type crank set such as Shimano DXR, Bombshell, Cliq, Sinz Elite, DK Flash and many others
CNC Durable Forged aluminum cups
Shimano Compatible
BSA1.37"x24T for MTB, FR, DH to fit 68mm and 73mm bottom bracket shells
Weight: 3.35 ounces or 95 grams