Bottom bracket Set Shimano R9100 BSA 68mm - Zwart

The Shimano Dura-Ace BB-R9100 bottom bracket adapter set is developed for high-performance racing bikes with a BSA threaded bottom bracket shell of 68 mm. This Dura-Ace bottom bracket uses Hollowtech II technology and high-quality sealed bearings for very smooth rotation and optimal power transfer. 

The aluminum cups are lightweight and durable, making this bottom bracket a perfect match for premium racing groups like Dura-Ace and other Shimano cranksets with a 24 mm axle.