Ceramic Speed OSPW Dura Ace 9000 7900 And Ultegra 6800 BLACK Standard

p OSPW System for Shimano 9000/6800 p BLACK STANDARD / NON COATED p OSPW System for Shimano 9000/6800 Developed and designed entirely by CeramicSpeed, the Oversized Pulley Wheel (OSPW) System for Shimano 9000/6700 provides the ultimate optimization of your bicycle #39;s drivetrain. p 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. p The upper and lower 17-tooth oversized aluminium pulley wheels come fitted with either standard or coated CeramicSpeed Bearings. p The Oversized Pulley Wheel (OSPW) System is the product of choice by many of the world #39;s leading cycling teams and triathletes. p 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. p The system is compatible up to a 28tooth cassette on most bikes depending on derailluer hanger. p IN THE BOX A complete 17-tooth OSPW System CeramicSpeed bearing oil in 15ml dropper bottle p TECH DATA The overall power savings of the OSPW System for Shimano 9000/6700 reach 30%-60%, or more in some cases, over a stock setup. p The oversized pulley wheels have 3-5 times longer lifetime than the commonly used standard pulleys on the market. p The OSPW for Shimano 9000/6700 is not compatible with Shimano Dura-Ace 9100/9150 and Ultegra 8000 series rear derailleurs. For those rear derailleurs you will need a OSPW System for Shimano 9100 series. p The system is compatible up to a 28tooth cassette on most bikes depending on derailluer hanger. SKU : 3131/1285016641241530368/55