SHIMANO has developed the Press-Fit Bottom Bracket, staying focused on our final goal: total performance in pedaling. The Bottom Bracket axle is steadily supported by the wide placed bearings on the basis of HOLLOWTECH II technologies providing highly-efficient power transfer.
- Optimum power transfer
- Wt: 63g
- Shimano Pressfit bottom bracket cups suitable for Ultegra FC-6800 crankset. Compatible with frames for the new oversize BB standard (86,5x41mm BB case size).