E*thirteen Helix Race Alloy Cranks
Best lightweight aluminum upgrade for dedicated gravel racing enthusiasts.
Built for the most aggressive gravity riding, these cranks offer a high-strength, CNC-machined aluminum construction that handles heavy abuse. They prioritize durability and reliability for downhill and enduro riders who need a component that can take a beating without unnecessary weight.
$229.95
More Helix options
Who it's for
- Gravel riders seeking lightweight performance without the fragility of carbon
- Custom builders needing flexible chainline options for diverse frame geometries
- Style-conscious cyclists who value precision engineering and high-end visual appeal
Who should skip it
- Home mechanics who prefer using universal tools for bike maintenance
- Budget-focused riders looking for basic functionality over high-end machining
- Riders with frames restricted to traditional 24mm spindle standards
Performance breakdown
Gravity Durability
ASTM 5 certification ensures these survive the harshest downhill abuse.
Strength-to-Weight Ratio
Forged aluminum construction balances rugged toughness with competitive trail weight.
Installation Simplicity
The Adaptive Preload System makes setup intuitive and remarkably quick.
Impact Protection
Included molded boots provide essential defense against jagged rock strikes.
Spindle Rigidity
The 30mm P3 Connect interface delivers exceptional power transfer under load.
Component Versatility
Multiple spindle widths accommodate a wide range of gravity bike frames.
Key Specs
Material
Forged, CNC Machined AL 6066-T6 arms, 30mm AL 7075-T7 spindle
Spindle Diameter
30mm
Spindle Width
73mm or 83mm
Spindle Interface
P3 Connect
Intended Use
Downhill, Enduro, Freeride, Bike Park
Weight
584g (73mm x 160mm) to 607g (83mm x 165mm)
Crank Arm Lengths
160mm, 165mm
Chainline
55mm (73mm spindle) or 56.5mm (83mm spindle)
Bottom Bracket Compatibility
68/73mm or 83mm BB shell
Set Includes
Crankset, APS Adjuster, BB/Lockring Tool, Crank Boots (x2), User Manual
Know before you buy
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Ask Metto anything about the E*thirteen Helix Race Alloy Cranks before you decide.