The Shimano SM-BB71-41B Pressfit bottom bracket is suitable for inserting a GRX, Tiagra, Sora and Claris cranks into a bike frame. A frame with a housing width of 86.5 mm is required.

- Application: Road, Gravel, City
- Installation type: Pressfit BB86
- Case diameter: 41 mm
- Case width: 86.5 mm
- Axle diameter: 24 mm (Hollowtech II)

Compatibility:
- GRX FC-RX600
- Tiagra FC-4700, FC-4703
- Sora FC-R3030, FC-R3000
- Claris FC-R2030, FC-R2000
- FC-RS510, FC-RS400

Scope of delivery:
- 1 x Shimano BB-RS500-PB right bearing shell with bearings
- 1 x Shimano BB-RS500-PB left bearing shell with bearings
- 1 x Shimano bottom bracket sleeve

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