Overview Suitable For 10/11 Speed BCD: 110mm , 4-Arm Material: Aluminium Weight: 34g (34T) Compatibility: 34T(MS) For 50T(MS) / 36T(MT) For 46T(MT) / 36T(MT) For 52T(MT) / 39T(MW) For 53T(MW) Not Includes Chainring Bolts