Race Face Atlas Cinch Crank Arms
Best durable performance for aggressive mountain biking.
These crank arms are built for riders who prioritize strength and adaptability above all else. The modular design makes it easy to swap between different frame standards and chainring setups, ensuring the hardware stays relevant even as your bike evolves.
$189.99
at
Marietta Adventure Company
Who it's for
- Aggressive riders seeking bombproof components for demanding terrain.
- Riders who frequently change drivetrain setups or bike frames.
- Performance-focused cyclists prioritizing direct power delivery and responsiveness.
Who should skip it
- Budget-conscious riders looking for more affordable drivetrain options.
- Weight-weenie riders prioritizing the lightest possible build for climbing efficiency.
- Beginner mechanics or those preferring simpler, more traditional crank installations.
Performance breakdown
Structural Rigidity
Reinforced bracing matrix ensures minimal flex under aggressive power output.
System Versatility
Cinch interface makes swapping chainrings and spindles incredibly straightforward.
Impact Durability
Forged 7050 aluminum withstands heavy abuse on technical, rocky terrain.
Weight Efficiency
Solid performance, though slightly heavier than top-tier carbon alternatives.
Installation Ease
Standardized interface simplifies setup for most modern mountain bike frames.
Compatibility Range
Adapts seamlessly to diverse bottom bracket and chainline standards.
Key Specs
Material
7050 aluminum alloy
Weight
690g
Spindle Diameter
30mm
Intended Use
Trail, Enduro, DH, Freeride
Chainline
48.5mm, 55mm (Flipped), 47mm (2X), 50mm (Boost 2X)
Bottom Bracket Compatibility
68/73mm, 83mm
Crank Arm Lengths
165mm, 170mm, 175mm
Chainring Mount Type
Cinch
Bike Type Compatibility
Mountain Bike
Component Application Area
Drivetrain
Know before you buy
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Ask Metto anything about the Race Face Atlas Cinch Crank Arms before you decide.