Shimano Deore M5120
Best reliable drivetrain upgrade for budget conscious mountain bikers.
This workhorse component brings reliable, consistent shifting to a wide range of mountain bike setups. Its clutch-based stabilization keeps the chain quiet and secure over rough terrain, making it a dependable upgrade for riders looking to simplify their drivetrain without breaking the bank.
$51.99
at
Cambria Bike
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 RD-M5120
$57.00
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
- Trail riders seeking a quiet and reliable drivetrain experience
- Budget-conscious builders looking for flexible drivetrain upgrade options
- Mountain bikers navigating narrow trails with frequent technical hazards
Who should skip it
- Weight-conscious racers prioritizing the lightest possible bike build
- Steep-climb enthusiasts requiring the widest possible gear range
- High-mileage riders who prefer the longevity of sealed bearing components
Performance breakdown
Chain Retention
Integrated stabilization technology keeps the chain secure on aggressive, technical descents.
Shifting Precision
Delivers crisp, reliable gear changes even under heavy pedaling loads.
Durability
Rugged construction withstands trail debris and harsh, unpredictable riding conditions.
Drivetrain Versatility
Seamlessly adapts to both 1x and 2x setups for maximum flexibility.
Impact Resistance
Low-profile geometry tucks the derailleur safely away from rocks and roots.
Installation Ease
Straightforward setup process makes it accessible for home mechanics and enthusiasts.
Key Specs
Derailleur Position
Rear
Speed Compatibility
10/11 speed
Mount Type
Direct attachment/Direct mount
Shifting Type
Mechanical
Max Rear Cog Teeth
46T
Min Rear Cog Teeth
42T
Total Capacity
41T
Cage Length
SGS Long Cage
Front Chainring Compatibility
1x, 2x
Intended Use
MTB
Know before you buy
Still have a question?
Ask Metto anything about the Shimano Deore M5120 before you decide.
