Bigger is Faster

Oversized Pulley Wheel Systems

As the only oversized pulley wheel system on the market, the CeramicSpeed Oversized Pulley Wheel System (OSPW System) has been developed to answer the riders’ increasing need for improved drivetrain performance. The OSPW System optimises the overall efficiency of your drivetrain thanks to the extremely low friction of the CeramicSpeed Bearings and the unique design of the overall system.

This unique system has been proved to increase your power savings starting from 2.4 watts and deliver 60 % less friction compared to others standard pulleys on the market. For this reason, this is a true advancement for the cycling performance.

The Oversized Pulley Wheel System is mounted with lightweight CermicSpeed Bearings and a specially designed PA/carbon cage which means lowest friction possible and 3-5 times longer lifetime. 

Go bigger and get proven benefits:

  • Energy savings start from 2.4 watts
  • 60 % lower friction
  • Proven design
  • Made in lightweight materials
  • Unmatched low friction and extended longevity
  • Developed and handmade in Denmark

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Product Support

To get the true benefits of your Oversized Pulley Wheel System, correct installation and continued maintenance is key.