• Your shopping cart is empty!

RockBros Ultralight Bike Cycling Chainring Aluminum Alloy 104BCD Narrow Wide Chain Ring for Bicycles - B0757FBWJR

  • Product Code: B0757FBWJR
  • Availability: In Stock
  • $121.51

  • $22.83

Available Options

  • The 104BCD Bicycle Chainring is made out of heavy duty alluminum alloy, ultra lightweight, rustproof and will not be out of shape easily.

  • Narrow wide chainwheel, it will bite chain firmly for saving labor and prevent bike chain from dropping out.

  • Actually improve chain-retention, great affordable upgrade.

  • Round chainring design, you will take less effort to go up slopes.

  • Suitable for mountain bikes, road bikes and ordinary bikes with bike crank BCD is 104mm.



    • Rockbros Round Bicycle Crank Chainring 104BCD 32T/34T/36T/38T Bike Chainwheel

    Product Specification

    Brand: Rockbros.
    Material: aluminum alloy.
    Chainwheel Teeth: 32-38T.
    Chainring shape: round.
    Crank Length: 104 MM BCD.

    Product Features

    Made out of aluminum alloy, it is lightweight, rustproof and will not be out of shape.
    Narrow wide chainwheel, it will bite chain firmly and prevent bike chain from dropping out.
    Round chainring design, you will take less effort to go up slopes.
    Actually improve chain-retention, great affordable upgrade.
    These are designed to provide varying mechanical advantage at different points in the pedal strok,effectively changing the gear ratio at different angles of rotation with the intention to be more ergonomic.

    Package contains

    1* bike chainring.

    RockBros Ultralight Bike Cycling Chainring Aluminum Alloy 104BCD Narrow Wide Chain Ring for Bicycles - B0757FBWJR