Ceramicspeed Ospw System Coated Shimano 9000/6700 10/11s Box Black 17t

Developed and designed entirely by CeramicSpeed, the Oversized Pulley Wheel (OSPW) System for Shimano 9000/6700 provides the ultimate optimization of your bicycle´s drivetrain.This OSPW System features a set of 17-tooth aluminium Pulley Wheels, available in red and black, housed in a specially designed polyamide (PA) and carbon cage.The upper and lower 17-tooth oversized aluminium pulley wheels come fitted with either standard or coated CeramicSpeed Bearings.The Oversized Pulley Wheel (OSPW) System is the product of choice by many of the world´s leading cycling teams and triathletes.This specific system is compatible with Ultegra 6700/6770/6800/6870 mechanical and Di2 rear derailleurs and Dura Ace 7900/7970/9000/9070 mechanical and Di2 rear derailleurs.The system is compatible up to a 28tooth cassette on most bikes depending on derailluer hanger.