Bottom Bracket 68mm/73mm

A BSA English-threaded bottom bracket shell for bonding into a bamboo frame. The drive side is marked with a groove so it goes in the right way round. Fits: all major groupsets, including Shimano, SRAM and Campagnolo. Available in 68mm and 73mm widths. Type: BSA English threaded Widths: 68mm and 73mm Outside diameter: 40mm Tolerance: +0.25mm (.010") to -0.5mm (.020") Finish: knurled to aid bonding Drive side: marked with a groove Made in: UK