| Description | The Shimano BB-R9100 bottom bracket is specially designed for Dura-Ace 11- and 12-speed cranks. It has small ball bearings to minimise weight and uses Hollowtech II technology for greater stability and rotational efficiency. The BB-R9100 is available in v |
|---|---|
| Supplier SKU | KBBR9100B |
| BB Shell Width mm | 68mm |
| BB Shell ID | Threaded |
| Crank Spindle | 24mm |
| Material | Steel |
| Brand Name | SHIMANO |
Write Your Own Review