- Components
- Derailleurs, rear cages & jockey wheels
- ceramicspeed shimano 11s road coated pulley in blue
- The 12-tooth narrow-wide design on these ceramicspeed pulleys decreases chain articulation and ensures a crisp chain engagement on to and off of each pulley. The symmetrical 12-tooth narrow-wide design allows the chain to move smoothly on and off the pulleys without additional drag. Ceramicspeed pulley wheels for Shimano 11s, 12-tooth is developed, designed and handbuilt in denmark and comes with separate dust covers to fit 9100 series or r8000 series derailleurs.