Tension and guide pulley set CeramicSpeed Oversized for Shimano 10+11s DA/Ultegra 9000/6800 + prior Alloy 607 stainless steel bl

• 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 overall power savings of the OSPW System for Shimano 9000/6700 reach 30%-60%, or more in some cases, over a stock setup.
• The oversized pulley wheels have 3-5 times longer lifetime than the commonly used standard pulleys on the market.
• 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.
• The system is compatible up to a 28tooth cassette on most bikes depending on derailluer hanger.

IN THE BOX:

• A complete 17-tooth OSPW System
• CeramicSpeed Oil for Pulley Wheel Bearings, 15 ml dropper bottle