12 × 12T CrMo derailleur pulleys.
Narrow Wide tooth profiling ensures ultimate chain retention.
Composite material provided by EMS Swiss, with 40% glass-fibre mixture.
Sealed bearings.
Compatible with SRAM 1 × 11.
Compatible With Brands: SRAM
Part Materials: Grivory EMS
Bearings Material: CrMo
Gears: 11-Speed
Pulley Size: 12T
Narrow Wide: Yes
Weight: 26 g
Colour: Black