High quality press fit 41mm bottom bracket bearing solution for 30mm crank axles. Stainless steel bearings for less friction and greater durability Fits 89.5, 92, 104.5, 107 and 121mm bottom bracket widths Designed to suit cranks with a 30mm axle in a Press Fit 41mm bottom bracket shell **NOTE** 30mm PF41 bottom bracket does not use a threaded centre tube Weight 77g