Shimano Dura Ace BB-R9100 bottom bracket - light and efficientThe Shimano BB-R9100 bottom bracket is specially designed for Dura Ace 11-speed cranks. It features small ball bearings to minimize weight and works with Hollowtech II technology for greater stability and rotational efficiency. BB-R9100 is available in a version for BSA and ITA threads.
Specifications:Application: Road, Triathlon & Time Trial
Series: Dura Ace R9100
Type: BSA, ITA
Shell Width: 68 mm, 70 mm
Axle Diameter: 24 mm (Hollowtech II)
*Specifications are subject to change. Please read our Terms & Conditions
*Giant & Liv Bicycles are available for purchase online, but due to warranty regulations, must be shipped to qualified Giant dealers, as bicycles must be assembled by a qualified bike mechanic in an approved store - This is an international policy and usually will require an additional fee to build the bike. This will be confirmed by one of our online staff after purchase of the bike.