The pulley set from SRAM made for X9 and X7 Type 2 / 2.1 derailleur models as of 2012.
Specifications:
Application: MTB
Number of Teeth: 11
Gearing: 10-speed
Compatibility:
- SRAM X9 2x10 derailleur models as of 2012
- SRAM X7 2x10 derailleur models as of 2012
Factory Number:
11.7518.018.001