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The Shimano Alvio M4000 Rear Mech is a 9 speed, low profile edition of a classic, providing slick and steady transmission to increase efficiency and performance. This Mech is easy to attach and maintain, making it a fantastic investment for your bike.

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Product code: 262784

Features

  • Dependable low profile rear mech from Shimano
  • Quick and simple to install
  • Direct attach mounting
  • Capacity: 45T
  • Max sprocket: low – 36T / top – 12T
  • Minimum sprocket: low – 32T top – 11T
Black
SHIMANO
Multi

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Ratings & Reviews

Overall Rating

5.00 out of 5
1 review
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5 out of 5

Beat value for the money.