Designed and engineered by CeramicSpeed, the Oversized Pulley Wheel (OSPW) system for Shimano 9000/6700 offers the ultimate in drivetrain optimization for your bike.
This OSPW system features a set of 17 pulleys made of aluminum, available in red and black, housed in a specially designed cage made of polyamide (PA) and carbon.
The 17 tooth aluminum upper and lower oversized pulleys are equipped with either standard or coated CeramicSpeed bearings.
The Oversized Pulley Wheel (OSPW) system is the product of choice of many of the world's leading cycling teams and triathletes.
This particular system is compatible with Ultegra 6700/6770/6800/6870 and Di2 mechanical shifters and Dura Ace 7900/7970/9000/9070 and Di2 mechanical shifters.
The system is compatible with most bikes depending on the derailluer hanger up to a 28-pin cassette
Compatible with: Dura Ace (7900/7970/9000/9070) Ultegra (6700/6770/6800/6870).