Race Face Aeffect R Crankarms
Best durable upgrade for electric mountain bike enthusiasts.
These alloy crankarms are engineered to handle the high-torque demands of electric mountain bikes while keeping weight to a minimum. With multiple length options available, they offer improved ground clearance to help riders navigate technical terrain with confidence.
$104.99
at
Race Face
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Who it's for
- Riders seeking a natural feel on modern electric mountain bikes
- Aggressive trail riders needing durable components for technical terrain
- Electric bike owners looking for a reliable aftermarket upgrade
Who should skip it
- Home mechanics who prefer tool-free or standard hex-key maintenance
- Aesthetically conscious riders who want their gear looking new longer
- Weight-conscious racers looking to minimize every gram on their build
Performance breakdown
Torque Handling
Engineered specifically to withstand the intense power output of modern motors.
Weight Efficiency
Lightweight 7050 aluminum construction keeps rotational mass impressively low.
Ground Clearance
Shorter length options significantly reduce pedal strikes on technical terrain.
Build Durability
Robust alloy design handles aggressive riding styles and heavy trail abuse.
Motor Compatibility
Reliable interface options cover the most common e-bike motor standards.
Installation Simplicity
Straightforward setup process gets you back on the trail quickly.
Key Specs
Material
7050 aluminum
Weight
485g
Crank Arm Lengths
160mm, 165mm, 170mm
Bottom Bracket Interface Type
ISIS, ETOR
Includes
Pedal Washers
Know before you buy
Still have a question?
Ask Metto anything about the Race Face Aeffect R Crankarms before you decide.