Shimano Alivio FD-M4020-M Boost 2x9-speed MTB front derailleur with low clamp

The Shimano FD-M4020-M-B MTB front derailleur is compatible with all Shimano 2x9-speed drivetrains fitted to Boost standard MTBs, ensuring optimal chainring shifting and significant rear tyre clearance for better performance in muddy conditions. Its side-pull system ensures smooth and precise shifting with fast response time.

- 2x9 speed derailleur - Maximum difference between small and large chainring: 14 teeth - Side pull - Low clamp - 34.9 mm clamp, with 28.6 and 31.8 mm adapters