Shimano Bottom Bracket | GRX, Tiagra and other, BB-RS500-PB PressFit 68/70 mm (EBBRS500PB) - Cycling Boutique

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

    Rs. 1,610.00
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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


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




    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 Claris 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


    • black/Pressfit: 71g



        Product Specifications

        MODEL NO BB-RS500-PB
        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

        SKU# EBBRS500PB

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