Bigger is better
The Oversized Pulley Wheel System for Shimano Dura-Ace 9200/Ultegra 8100 features a 13-tooth upper and 19-tooth lower pulley wheel to provide absolute optimization of the rear derailleur.
The overall power savings of the OSPW System for Shimano Dura-Ace 9200/Ultegra 8100 reach 30%-60%, or more in some cases, over a stock setup. The oversized pulley wheels also have 3-5 times longer lifespan than standard pulleys on the market.
- 13-tooth upper and 19-tooth lower pulley wheels
- Proprietary metallic coating on bearing races
- Compatible with Shimano Dura-Ace 9200 and Ultegra 8100 rear derailleurs
- Includes 15 ml dropper bottle of CeramicSpeed Bearing Oil