The Shimano SM-BB71-41B Pressfit bottom bracket is suitable for inserting a Hollowtech II-compatible crank in a bike frame. A frame with a housing width of 86.5 mm is required.

- intended use: road, cyclocross
- Installation type: Pressfit BB86
- Case diameter: 41 mm
- Case width: 86.5 mm
- Axle diameter: 24 mm (Hollowtech II)

Compatibility:
- Ultegra FC-6700, FC-6700 G, FC-6750, FC-6750 G, FC-6703, FC-6703 G
- 105 FC-5700, FC-5750, FC-5703
- Tiagra FC-4600, FC-4650, FC-4603
- Sora FC-3550, FC-3503
- FC-CX50
- FC-R603, FC-R563, FC-R460, FC-R350

Scope of delivery:
- 1 x Shimano SM-BB71-41B right bearing shell with bearings
- 1 x Shimano SM-BB71-41B left bearing cup with bearings
- 1 x Shimano bottom bracket sleeve

(Translated with Google Translate)