OSPW CERAMIC SPEED ALLOY SHIMANO 10 11 SPEED R9000 R6800 PLUS PRIOR - RED|NON COATED

OSPW CERAMIC SPEED ALLOY SHIMANO 10 11 SPEED R9000 R6800 PLUS PRIOR  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 #39;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.