The Rant Bang Ur Euro Bottom Bracket kit is designed to work with most bikes that have a Euro bottom bracket. The specifications are based on the most prevalent British ISO standard- 1.37" x 24tpi with a 68mm bottom bracket shell. Includes left-hand and right-hand threaded alloy cups. 4 precision sealed bearings, 2 alloy cone spacers for a clean look, an alloy internal spacer, and 4 steel crank arm spacers for dialing in your chain alignment. (5.5 oz)
Note: Only compatible with frames that have a European bottom bracket shell.