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Shimano

Shimano Alivio FC-M4000/4050 30T derailleur

9.79 € savings
RRP 13.99 €
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From 27.01.2026 (Tuesday) Check availability
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By courier to your home Express courier delivery GLS Express courier delivery DPD
Delivery method on Wednesday 28.01.2026
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Delivery method on Wednesday 28.01.2026
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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 Protector
    • Type 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
Product details
Colour black
Groupset Shimano Alivio
Converter mounting BCD 96 mm
product ID 45939
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WARNING
For installation, adjustment and replacement information that is not found in the user's manual, please consult the place of purchase or a distributor. A dealer's manual intended for professional and experienced bicycle mechanics is available on our website (https://si.shimano.com).
For safety, be sure to carefully read this “user's manual” before use, follow it for correct use, and save it so that you can refer back to it at any time.
The following instructions must always be followed in order to prevent personal injury and physical damage to equipment and the surroundings. The instructions are classified according to the degree of danger or damage that may occur if the product is used incorrectly.
DANGER - Failure to follow the instructions will result in death or serious injury.
WARNING - Failure to follow the instructions could result in death or serious injury.
CAUTION - Failure to follow the instructions could result in personal injury or physical damage to equipment and surroundings.

WARNING:
Do not disassemble or modify the product. This may cause the product to malfunction, you may fall unexpectedly and be seriously injured.
Before riding the bicycle, check that the crank arms are not cracked. If there are cracks, the crank arm may break and you may fall off the bicycle.
Be careful that parts of your clothing do not get caught in the chain while riding. Otherwise, you may fall off the bicycle.

CAUTION:
Be careful not to touch the teeth of the sprockets. There is a risk of injury.

Shimano
Chainrings Shimano
Japanese manufacturer produces road, mountain, gravel, trekking, BMX and e-bike groupsets. They also offer a whole series of components and apparel. Their range goes from wheels, footwear, eyewear to backpacks. Shimano is a traditional manufacturer known for their quality work, which is why they are the favourite choice of amateurs and professionals.
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