E*thirteen Helix Race Alloy Crank Arm
Best lightweight upgrade for performance oriented electric mountain bike riders.
These alloy crank arms provide a durable, weight-conscious upgrade for electric mountain bikes, prioritizing ground clearance with shorter length options. They deliver a stiff, responsive feel that stands up to aggressive riding while maintaining compatibility with major motor systems.
$308.21
More Helix options
E*thirteen Helix Race Crank Arm
$199.95
e*thirteen Helix Race Carbon
$459.95
e*thirteen Helix Race Carbon Crankset
$459.95
e*thirteen Helix Race Carbon Crankset
$459.95
e*thirteen Helix Race Carbon Crankset
$459.95
e*thirteen Helix R Crankset
$279.95
e*thirteen Helix R Crankset
$279.95
e*thirteen Helix e*spec Crank Arm
$174.99
E*thirteen Helix Core E*spec Crankset
$84.95
e*thirteen Helix Core Crankset
$139.95
e*thirteen Helix Race GR Crankset
$239.95
e*thirteen Helix Race Crankset
$279.95
E*thirteen Helix Race Alloy Cranks
$229.95
E*thirteen Helix Race Crank Arm
$219.95
E*thirteen Helix Race Carbon e*spec Cranks
$399.95
E*thirteen Helix Core e*spec Cranks
$84.95
Who it's for
- Aggressive trail riders seeking long-term reliability over weight savings
- Weight-conscious mountain bikers who prefer the resilience of alloy
- Riders with multiple bikes needing a versatile and adaptable crankset
Who should skip it
- Home mechanics who prefer using universal bike tools
- Aesthetic-focused riders who want their gear to look brand new
- Elite cross-country racers prioritizing maximum pedaling efficiency
Performance breakdown
Structural Integrity
Forged alloy construction easily withstands the rigors of aggressive E-Enduro riding.
Ground Clearance
Short arm options significantly reduce pedal strikes on technical, rocky terrain.
Motor Compatibility
Broad ISIS interface support covers almost every major e-bike motor system.
Installation Ease
Integrated self-extracting bolts make removal and maintenance a straightforward, tool-free process.
Weight Optimization
Engineered to rival carbon performance without the fragility or high cost.
Impact Protection
Included crank boots provide essential defense against inevitable trail-side rock strikes.
Key Specs
Material
Alloy
Spindle Interface
ISIS
Spindle Diameter
24mm
Intended Use
eBike, Mountain
Number of Chainrings
0
Pedal Spindle
9/16 inch
Crank Arm Lengths
155mm, 160mm, 165mm
Compatibility
Bosch Gen 4, Brose S Mag, TQ HPR 50, Fazua, Yamaha, Maxon, Specialized Brose
Know before you buy
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Ask Metto anything about the E*thirteen Helix Race Alloy Crank Arm before you decide.
