Chainrings

Replacement chainring for Alivio crankset 3x9-speed FC-M4000/M4050 with 40/30/22 and 2x9-speed FC-M4050-B2 with 36/22 teeth. Product features Use: MTB Group: Alivio M4000/M4050 3x9-speed / M4050-B2 2x9-speed Suitable for: FC-M4000 / FC-M4050 / FC-M4050-B2 Bolt circle diameter:  96 / 64mm  (FC-M4000/M4050) 104 / 64mm (FC-M4050-B2) Gear arms: 4-arm Gradation:  Type AN FC-M4000 (40-30-22T) with Chain ProtectorType AX FC-M4050 (40-30-22T)Type AC FC-M4050-B2 (36-22T) Chainríng (choose variant) 32T 32T with Chain Protector 30T 36T 40T Material Steel Weight from 38g (22T) Scope of delivery 1 Shimano Alivio 9-speed Chainring FC-M4000/M4050