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Shimano Tiagra / Sora BB-RS500 Bottom Bracket



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Shimano BB-RS500 Tiagra / Sora Hollowtech II Bottom Bracket
The Hollowtech II outboard bearings offer better weight distribution and more stability that provides a more efficient power transfer. The diameter of the bearing axle (24 mm) was an important factor in development because the axle has a positive effect on stiffness, stability, weight, and rotating efficiency.

Crank Interface: Threaded
Application: Road, Cyclocross
Type: BSA or ITA
Shell Width: 68 mm (BSA) or 70 mm (ITA)
Axle Diameter: 24 mm (Hollowtech II)
Weight: 92g
Factory Numbers UPC #
BSA ENGLISH EBBRS500B 689228926172
ITALIAN   EBBRS500I 689228925731

Technical Information:
Bearings: steel
Bottom Bracket Cup Material: aluminium
Bottom Bracket Shell Material: GFRP

- bearing cups anodized
- durable performance
- improved sealing construction
- recommended for FC-RS510, FC-RS500, FC-RS400, FC-R563, FC-CX50, FC-4700, FC-4703, FC-R460, FC-3550, FC-3503, FC-R350, FC-R3030, FC-R3000, FC-R2000, FC-R2030

- 1 x Shimano BB-RS500 right bearing cup, bearings included
- 1 x Shimano BB-RS500 left bearing cup, bearings included
- 1 x Shimano bottom bracket shell

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