Origin8 Revolvr Eccentric BSA Bottom Bracket 68/73mm HTII/GXP

Converts a BSA (1.37` x 24tpi x 68/73mm) frame to a single speed or fixed gear setup. Compatible with both HTII and GXP spindles. CNC machined AL6061 cups. Sealed bearings. Includes spacers a GXP shim and a wave washer. Provides a 7mm range of adjustment in either direction (14mm total)