13 x 13T CrMo derailleur pulleys.
Composite material provided by EMS Swiss, with 40% glass-fibre mixture.
Sealed bearings with aluminium cover for optimal durability.
Compatible with 12 speed Shimano MTB groupsets.
Compatibility: Shimano
Part Materials: Grivory EMS
Bearings Material: CrMo
Pulley Size: 13T
Narrow Wide: No
Weight: 30g
Colour: Black