CeramicSpeed Oversized Pulley Wheel System Aero Coated - Shimano Dura-Ace 9250/Ultegra 8150

CeramicSpeed Oversized Pulley Wheel System Aero Coated - Shimano Dura-Ace 9250/Ultegra 8150 Info

The CeramicSpeed Oversized Pulley Wheel System is the secret to increasing the efficiency of your derailleur through friction reduction. This version is optimized for Shimano Dura-Ace Di2 or Ultegra Di2 systems. This version features coated bearings, leading to outstanding efficiency and a very long life of like-new performance. This coating makes them 75 percent harder than steel. An aerodynamic carbon cage has been added to help racers keep their aero edge and move faster than ever. This covered version of the OSPW is perfect for triathletes and time trial riders. It has seen action in major World Tour and Ironman races. The upper pulley has 13 teeth while the lower has 19. The CeramicSpeed Oversized Pulley Wheel System Aero helps you get the most out of your high-end Shimano Di2 road groupset.