AL7075 cage& jockey wheel
- Bearing: Sealed Steel Ball Bearing
- Compatible with 12s Shimano XTR RD-M9100 SGS long cage derailleur, 2020 model.
- Top Pulley :14T sealed bearing
- Bottom Pulley :16T sealed bearing
- Weight : approx. 69g
- Pulley color: Black (as pic. shown)
Content: 1 pc / pack