CeramicSpeed OSPW System

The OSPW System for Shimano is compatible with Ultegra/Dura Ace (6800/7800/7900/7970/9000/9070), 10s and 11s, electric and mechanical groupsets. Developed and designed entirely by CeramicSpeed, the Oversized Pulley Wheel System for Shimano is advanced for the optimization of bike performance, where the watt savings start at 2.4 watts. Everything from bearings to the cage is made from the highest quality materials. The 17-tooth aluminium pulley wheels are fitted with standard or coated CeramicSpeed Bearings, which reduce friction to the minimum. The overall power savings of the OSPW System for Shimano reach 60% or more in some cases. The OSPW System has a lifetime that lasts 3-5 times longer than the commonly used standard pulleys on the market.

Entirely developed, designed and produced in Denmark by CeramicSpeed, the Oversized Pulley Wheel System for SRAM is a technologic advance for the cycling industry. Matching the highest quality materials with a unique design, the OSPW System delivers lower friction and longer lifetime, improving your competitive advantage. Thanks to the OSPW System for SRAM, the power savings start at 40%, and the CeramicSpeed Bearing inside guarantee a 3-5 times longer lifetime and commonly used standard pulleys on the market. The watt savings with a CeramicSpeed OSPW System for SRAM start at 1.6 watts and up.