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Oversized Pulley Wheel Systems
  • Oversized Pulley Wheel Systems

    The OSPW System optimises the overall efficiency of your drivetrain thanks to our unique design and extremely low friction bearings. The OSPW Systems are compatible with Shimano, SRAM and Campagnolo rear derailleurs. 
    OSPW Aero are designed specifically for TT bikes and applications and 
    OSPW X work with most modern Mountain Bike/Gravel Specific Rear derailleurs.