SHIMANO ALIVIO 9-SPEED CHAINRING FOR FC-M4000/M4050

Genuine Shimano replacement chainring designed for Alivio cranksets.

Compatible with 3x9-speed FC-M4000 and FC-M4050 models in 40/30/22-tooth configurations, and 2x9-speed FC-M4050-B2 in 36/22-tooth options. Direct replacement for worn or damaged rings. Maintains original shifting performance and drivetrain compatibility. Precision-engineered steel construction for reliable, smooth gear changes across all nine speeds.

Specification

• 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 Protector
  • Type AX FC-M4050 (40-30-22T)
  • Type AC FC-M4050-B2 (36-22T)

Size

• 22T
• 30T
• 36T
• 40T

Material

• Steel

Weight

• from 38g (22T)

Contents

• 1 x Shimano Alivio 9-Speed Chainring for FC-M4000/M4050