SRAM’s 1x 11-speed rear derailleurs work better with these 12-tooth pulleys. They work with less mechanical friction, adding to the power transmitted to the rear wheel. They also have greater durability, going longer between replacement intervals.
Ceramic Speed Pulley Wheels for SRAM 1-11 are compatible with the following 11-speed rear derailleurs:
The upper and lower pulleys both have a narrow-wide tooth design.
These are standard machined aluminum pulleys with Ceramic Speed Balls in hardened-steel races These test better than anything else on the market.
In the box
- 2 x 12-tooth pulley wheels
- CeramicSpeed bearing oil in 10ml dropper bottle
- CeramicSpeed grease in 5ml syringe
- Sticker sheet