About

Description & Specs
  • Offers the lowest friction possible while maintaining shift accuracy
  • Includes pulleys with ceramic balls and steel races
  • Long tooth profile on lower pulley for best chain retention
  • Chain catcher on lower pulley to prevent chain jams
  • Ride it on-road and off-road without restrictions
  • Fits SS (short) cage and GS (mid) cage right out of the box
    • TECH SPECS
    compatibility RX800 and GRX
    seal road
    color gold
    Description & Specs
  • Offers the lowest friction possible while maintaining shift accuracy
  • Includes pulleys with ceramic balls and steel races
  • Long tooth profile on lower pulley for best chain retention
  • Chain catcher on lower pulley to prevent chain jams
  • Ride it on-road and off-road without restrictions
  • Fits SS (short) cage and GS (mid) cage right out of the box
    • TECH SPECS
    compatibility RX800 and GRX
    seal road
    color gold

    Kogel Bearings Kolossos Oversized Pulley Cage Shim RX800 - Gold

    J250464

    $474.99
    $474.99
    $474.99
    Shipping calculated at checkout.
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    Key Product Specs
    • Shim RX800 - Gold

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