Two-piece system. 29mm diameter spindles. To accurately determine the bottom bracket standard in your frame, it is best that you remove your crankset, and any installed bottom bracket cups or bearings. Compatibility Will take 386EVO cranks and traditional external BB cranks Other names n/a Other notes Matches the wide bearing spacing of a BSA external BB with a large 30mm spindle

Finding the correct bottom bracket for your frame can be challenging. Meant to be used across all BB standards. BB30: 30mm; 6806 (Drive) 6806 (Non-Drive) 30mm spindle diameter cranks.

Crank spindle is pressed into the drive side crank arm. Bottom Bracket Standards. SRAM DUB: 29mm; 29x42; SRAM introduced the DUB cranks in 2018. Uses wave washer on drive side of crankset to take up any play in crank.