Eturatas Shimano FC-MT300 44T

Front chainring type: TripleChainring 44T (for 44-32-22T)For 9-speed rear derailleurCOMPATIBLE MODEL: FC-MT300-3 (may be compatible with other models with same BCD and speed group)Gear arms: 4B.C.D. (Bolt Circle Diameter): 96 mm