The Sunrace BBRS External Bottom Bracket is a high-performance cycling part for Shimano road bikes. It offers fast and smooth installation due to its integrated shell and bearing cups, making it a great fit for any bike. Its durable design is built for long-term performance, giving you the best ride possible.
- Integrated BB for FCRS1/S6
- Aluminum silver anodized BB cups with sealed cartridge bearings
- BB Shell Width: 68mm
- Weight: 89g