Shimano Dura-Ace BB-R9100 Bottom Bracket Italian Black

Shimano BB-R9100 series Dura-Ace bottom bracket for standard Italian frames with a standard width of 70mm, compatible with the pedals with a Shimano Hollowtech II 24mm axle. Ideal for all your training and strokes thanks to its robust construction and extended life.Features : 70mm lenght External bearings Steel bearings Crank 24mm Shimano Hollowtech II Weight : 65g