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Shimano RD-M3100 Rear Derailleur – Alivio 9-Speed Shadow Design
These are OEM Shimano Parts, Brand New, Never Installed on Bike, Never Used in any way, just NOT in retail packaging.
The Shimano RD-M3100 Alivio Rear Derailleur delivers smooth, consistent 9-speed shifting with modern Shadow technology, designed for lower profile, improved chain stability, and better performance on rough terrain. Perfect for MTB, trekking, hybrid, and touring bikes upgrading to 9-speed drivetrains.
Key Features
Shadow Technology – Low-profile design reduces the chance of damage on trails and improves chain stability.
Precise 9-Speed Shifting – Reliable, consistent gear changes ideal for MTB and trekking use.
Wide Compatibility – Works with both 1×9 and 3×9 drivetrain setups.
Durable Construction – Built for long-term use in all riding conditions.
Smooth Operation – Optimized spring tension and pulley system for better chain data-end=\"1359\" data-start=\"1122\">
Model: Shimano RD-M3100
Series: Alivio
Speed: 9-Speed
Design: Shadow low-profile
Max Cassette Size: Up to 11–36T
Drivetrain Compatibility: 1×9 / 2×9 / 3×9
Cage Length: SGS (long cage)
Compatibility
Ideal pairing with:
Suitable for:
Mountain bikes
Hybrid / trekking bikes
Touring bikes
Entry-level MTB upgrades
Why Choose Shimano RD-M3100?
The M3100 offers excellent value with upgraded Shadow design, improved durability, and smooth shifting—making it one of the best 9-speed derailleurs in the Shimano lineup.
