Shimano Deore RD-M5120 Rear Derailleur (Black) (10/11 Speed) (Long Cage) (SGS) (Shadow Plus)

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Utilizing the Shimano Shadow RD+ design, the Shimano Deore M5120 rear derailleur delivers consistent mountain bike shifting performance over rough terrain. The low profile design avoids damage from rocks whiles Shimano's chain stabilizing technology reduces chain drop and makes for a quiet drivetrain in all gear positions.

Features:

  • Stable drivetrain on the trail for reliable performance
  • Low profile design keeps your derailleur away from rocks and other trail debris
  • Chain stabilizer reduces chain drop, slap and noise
  • Shadow Plus design produces a silent ride in all gear positions
  • Decreased derailleur and chain tension in low gear
  • Conventional direct attachment (also Direct Mount compatible)

Specifications:
Speed: 10 Speed, 11 Speed
Shifter Compatibility: Shimano Mountain
Shift Mechanism: Cable Actuated
Max. Tooth: 46T (For 1x Use), 42T (For 2x Use)
Min. Tooth: 11T
Chain Wrap Capacity: 41T
Cage Material: Steel
Chain Retention: Shadow Plus
Color: Black
Weight: -

This product was added to our catalog on August 13, 2020

An Pham
Verified Owner
Thursday, Oct 24 2024 (3 weeks ago)
Shimano Deore RD-M5120 Rear Derailleur (Black) (10/11 Speed) (Long Cage) (SGS)
Installed this RD-M5120 derailleur to replace a non-clutch Shimano derailleur. Installation and adjustments went smoothly and the derailleur functions flawlessly.

I have this derailleur on several bikes that came with it from the factory. Excellent derailleur. Very satisfied with Shimano quality!
Dave Berall
Verified Owner
Sunday, Jun 16 2024 (5 months ago)
Shimano Deore RD-M5120 Rear Derailleur (Black) (10/11 Speed) (Long Cage) (SGS)
Broke on first use, 5 miles in on only a moderately technical trail.

Flimsy, can’t handle shifting under even the lightest loads. The B tension bolt bent and the snapped in the first ride. Now half the bolt is stuck in the derailleur and its unusable.
0 of 1 customers found this review helpful.
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