Shimano Bottom Bracket, Press Fit | Tiagra / GRX BB-RS500-PB Hollowtech II 41x86.5mm - Cycling Boutique
  • SKU: CB5726

Shimano Bottom Bracket, Press Fit | Tiagra / GRX BB-RS500-PB Hollowtech II 41x86.5mm

Rs. 1,260.00
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Shimano BB-RS500-PB bottom bracket - Press Fit for GRX, Tiagra, Sora, Claris and other cranks.

The Press Fit BB-RS500-PB bottom bracket is designed for the GRX, Tiagra, Sora and Claris series cranksets. The Hollowtech II 2-piece crank with a 24 mm axle can be perfectly mounted in a road frame with an 86.5 mm bottom bracket width and a 41 mm shell diameter. Made of synthetic material and has black bearing cups.

  • Application: Road, Gravel, City
  • Type: Press Fit BB86
  • Shell Diameter: 41 mm
  • Shell Width: 86.5 mm
  • Axle Diameter: 24 mm (Hollowtech II)

Technical Information:
  • Bearings: Steel
  • Bottom Bracket Cup Material: synthetic resin
  • Weight: black/Pressfit: 71g

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


Explore Beyond


SHIMANO GRX, with its gravel-specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world. It isn’t a reworked set of road components. It represents a ground-up look at how cyclists want to explore their world. SHIMANO GRX helps you eliminate excuses, instead urging you to try that rough sidetrack or ride that little bit longer. It offers you the option to Explore Beyond.

The Press Fit BB-RS500-PB bottom bracket is recommended by Shimano for the GRX, Tiagra, Sora, and Clari series. This allows a Hollowtech II or 2-piece crank with a 24 mm axle to be mounted in a road frame with an 86.5 mm bottom bracket width and a 41 mm shell diameter. The bottom bracket is made from a synthetic material and has black-bearing cups.

Hollowtech II
Shimano Hollowtech II is a crank bottom bracket system designed to achieve an ideal ratio of stiffness, weight, and rotational efficiency. It is based on an integration of the bottom bracket and the right crank arm and works with a 24 mm axle or bearing diameter, which has proven to be optimal in terms of stability. In many cases, the bearing cups are on the outside so that the load is better distributed. High-quality precision seals ensure long service life.

  • 1 x Shimano BB-RS500-PB right bearing cup, with bearings
  • 1 x Shimano BB-RS500-PB left bearing cup, with bearings
  • 1 x Shimano bottom bracket sleeve

Product Specifications
  • SERIES: Tiagra / GRX 10-speed
  • Average weight: 70.4g
  • Press-Fit BB shell width_86mm: ✔
  • Bike Type: Comfort
  • HOLLOWTECH II BB_Press-Fit type: ✔
  • HOLLOWTECH II BB Type: Press-Fit
  • Press-Fit BB Shell Width: 86mm.


*Note: Images are for representational purposes only. Actual size / packaging varies with product type/size.

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