e*thirteen Helix e*spec Crank Arm
Best durable cranks for aggressive e-bike trail riding.
Engineered to handle the high torque of electric mountain bike motors, this chainring provides a reliable and lightweight solution for your drivetrain. It offers a precise fit and durable construction, ensuring consistent power transfer on every ride.
$174.99
at
Ethirteen
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 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 Alloy Crank Arm
$308.21
E*thirteen Helix Race Carbon e*spec Cranks
$399.95
E*thirteen Helix Core e*spec Cranks
$84.95
Who it's for
- Aggressive e-mountain bikers seeking maximum component longevity and reliability.
- E-bike owners upgrading or replacing cranks on their existing motor system.
- E-bike riders prioritizing direct power delivery and responsive pedaling feel.
Who should skip it
- Budget-conscious riders or those with less demanding e-bike usage.
- Weight-obsessed riders prioritizing the lightest possible e-bike build.
- Traditional mountain bike riders not using an e-bike motor system.
Performance breakdown
Torque Handling
Engineered to withstand the intense power output of modern mid-drive motors.
Structural Rigidity
Forged aluminum construction ensures minimal flex during aggressive, high-torque trail riding.
Weight Optimization
Lightweight design reduces rotational mass without sacrificing essential structural integrity.
Installation Ease
Self-extracting bolts make removal and maintenance straightforward for home mechanics.
System Compatibility
Standard ISIS interface ensures broad integration with most popular e-bike motors.
Impact Durability
Included protective boots effectively shield against inevitable rock strikes and debris.
Key Specs
Crank Arm Length
160.0 mm
Material
Aluminum
Weight
547.0 g
Spindle Diameter
24.0 mm
Chainline
52.0 mm
Intended Use
E-Bike
Bottom Bracket Interface
BB30
Chainring Mount Type
Direct Mount
Number of Chainrings
0
Boost Compatible
Yes
Know before you buy
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Ask Metto anything about the e*thirteen Helix e*spec Crank Arm before you decide.
