Shimano OT-RS900 GRX, Dura-Ace Shift Cable Housing for Rear Derailleur (Y0BM98011)

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  • Shimano OT-RS900 GRX, Dura-Ace Shift Cable Housing for Rear Derailleur (Y0BM98011)

    The OT-RS900 GRX, Dura-Ace Shift Outer Casing helps ensure smooth shifting action of the rear derailleur thanks to its superior construction and materials.

    Shimano RD-R9100, RD-R8000, RD-RX800 and RD-R7000 derailleurs must be assembled on the bicycle with the OT-RS900 outer casing. 

    The radius of the curved cable that is routed from the bicycle frame to the RD-R9100, RD-R8000, RD-RX800 or RD-R7000 becomes much smaller compared to the radius generated with other rear derailleurs, as indicated in the images below. The commonly used outer casing, OT-SP41, is too stiff for such small radius that it could cause issues on the adjustment barrel and shifting problem. By using the OT-RS900, these issues can be avoided as OT-RS900 housing has reduced stiffness.

    **OT-RS900 should be used only on the rear derailleur side. It should not be used on the shift/brake lever side.

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    Specifications:

    • Application: Road, Gravel
    • Diameter: 4 mm
    • Length: 240 mm
    • Recommended Cable Diameter: 1.2 mm
    • pre-lubricated with special silicone grease to ensure smooth shifting

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    Includes:

    • Shimano OT-RS900 shifter cable housing
    • Sealed end cap, for rear derailleur
    • End cap

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    Compatibility: 

    • Dura-Ace RD-R9100
    • Ultegra RD-R8000
    • Shimano 105 RD-R7000
    • GRX RD-RX810
    • GRX RD-RX812
    • GRX RD-RX400

     


    Ships from Canada, with Canada Post