Shimano SLX FC-M7120-1
Best reliable drivetrain upgrade for dedicated mountain bike enthusiasts.
This crankset is the workhorse of modern trail riding, prioritizing rugged durability and efficient power transfer over gram-counting obsession. It’s a smart, no-nonsense foundation for a 12-speed drivetrain, though you’ll need to source your own chainrings to complete the build.
$130.00
at
Airpark Bike Co
More SLX options
Who it's for
- Budget-conscious mountain bikers seeking professional-grade performance
- Trail riders looking for efficient pedaling and reliable durability
- Riders who frequently adjust gearing for different terrain types
Who should skip it
- Weight-conscious racers prioritizing every gram of weight savings
- Owners of older frames with standard non-Boost rear spacing
- Aesthetic-focused riders who want their gear to look brand new
Performance breakdown
Power Transfer Efficiency
Hollowtech II design ensures minimal flex during high-torque climbing efforts.
Weight-to-Strength Ratio
Hollow-forged aluminum strikes a smart balance for aggressive trail riding.
Drivetrain Compatibility
Seamlessly integrates with modern 12-speed setups and Boost spacing standards.
Customization Versatility
Direct-mount interface makes swapping chainrings for specific terrain incredibly straightforward.
Durability
Built to withstand the relentless abuse of technical, rocky mountain trails.
Installation Ease
Standardized interface simplifies setup for home mechanics and shop pros alike.
Key Specs
Crank Arm Length
170 mm
Intended Use
Mountain
Drivetrain Speed Compatibility
12-speed
Bottom Bracket Interface Type
Hollowtech II
Material
Aluminum
Weight
1043 grams
Chainring Mount Type
Direct Mount
Number of Chainrings
0
Boost Compatible
Yes
Q-Factor
178 mm
Know before you buy
Still have a question?
Ask Metto anything about the Shimano SLX FC-M7120-1 before you decide.
