Shimano Deore RD-M5120
Best reliable drivetrain upgrade for budget conscious mountain bikers
A reliable, budget-friendly option for mountain bikers needing consistent shifting on rough terrain. The integrated clutch mechanism keeps the chain secure and quiet, while the low-profile design offers essential protection against trail debris.
$57.00
More Deore options
Shimano Deore M6000 Rear Derailleur
$104.03
Shimano Deore M5120 Rear Derailleur
$49.43
Shimano Deore M6100 Rear Derailleur
$69.99
Shimano Deore M5100 Front Derailleur
$47.00
Shimano RD-M5100 Rear Derailleur
$75.00
Shimano Deore M6000 Rear Derailleur
$89.99
Shimano Deore Shadow+ Rear Derailleur
$80.00
Shimano Deore RD-M6100-SGS Rear Derailleur
$87.53
Shimano Deore RD-M5100-SGS Rear Derailleur
$63.01
Shimano Deore M6000-B2 Crankset
$199.99
Shimano Deore RD-M6000-GS Rear Derailleur
$109.99
Shimano Deore RD-M591-SGS Rear Derailleur
$69.99
Shimano Deore M5130 Rear Derailleur
$64.99
Shimano Deore FD-M4100-M Front Derailleur
$44.99
Shimano Deore M592
$84.00
Shimano RD-M5100
$69.99
Shimano Deore RD-M6250-SGS Di2
$435.00
Shimano Deore M6000 Rear Derailleur
$110.00
Shimano Deore RD-M6000-SGS
$62.11
Shimano Deore RD-T6000-SGS
$71.56
Shimano Deore RD-M5100-SGS
$75.00
Shimano Deore RD-M6000-SGS Rear Derailleur
$110.00
Shimano Deore RD-T6000-SGS
$61.07
Shimano Deore M5120
$51.99
Shimano Deore Di2 M6260
$435.00
Shimano Deore Di2 RD-M6250 Rear Derailleur
$435.00
Shimano Deore RD-M6100 Rear Derailleur
$63.00
Shimano Deore RD-T6000
$73.99
Shimano Deore RD-M592 Rear Derailleur
$129.99
Who it's for
- Riders seeking a versatile replacement for mixed-speed mountain bike builds
- Mountain bikers wanting a quiet ride and reliable chain retention
- Trail riders navigating narrow paths with frequent technical hazards
Who should skip it
- Weight-conscious cyclists looking to minimize every gram on their bike
- Climbers requiring ultra-wide gear ranges for extremely steep technical ascents
- High-mileage enthusiasts who demand long-term precision and premium pivot durability
Performance breakdown
Chain Stability
Shadow RD+ technology keeps the chain quiet and secure on rough trails.
Shift Precision
Delivers crisp, reliable gear changes across both 10 and 11-speed setups.
Durability
Rugged construction handles the abuse of aggressive mountain biking with ease.
Obstacle Clearance
Low-profile design tucks neatly away from rocks and trail debris.
Installation Ease
Standard hanger mount makes swapping or upgrading a straightforward workshop task.
Weight Efficiency
Solid build quality adds some heft compared to higher-end, lighter components.
Key Specs
Weight
454 grams
Speeds
10/11
Mount Type
Hanger
Derailleur Position
Rear
Shifting Type
Mechanical
Color
Black
Know before you buy
Still have a question?
Ask Metto anything about the Shimano Deore RD-M5120 before you decide.
