68/73 mm case width, BSA thread, Shimano 24 mm axle. Ceramic bearings, stainless steel cups, oversized bearings, lifetime warranty with annual maintenance - this includes cleaning and regreasing bearings.

68/73 mm case width, BSA thread, SRAM DUB 29 mm axle. Made of 440C stainless steel, oversized bearings, lifetime warranty with annual maintenance - this includes cleaning and regreasing bearings.

24 mm, 24 mm; 68 mm, 73 mm, Hollowtech II, BSA

BSA 68 mm, Shimano Hollowtech II, BSA

BSA 68 mm, 30 mm axle

BSA 68/73 mm, 19 mm axle