E*thirteen e*spec Plus Crank Arms
Best durable upgrade for electric mountain bikers seeking a slim profile.
Engineered for electric mountain bikes, these aluminum crank arms focus on a slim Q-factor to improve pedaling efficiency and comfort. The low-profile design minimizes bulk, helping to prevent pedal strikes while providing a clean, durable interface for your motor system.
$78.95
More e*spec options
Who it's for
- Aggressive riders seeking reliable components for technical terrain
- Technical climbers navigating rocky trails with low bottom brackets
- E-bike owners looking for a versatile and easy-to-source replacement part
Who should skip it
- Weight-conscious enthusiasts prioritizing the lightest possible build
- Aesthetic-focused riders who want their components to stay looking new
- Custom builders wanting a high-end, distinctive visual statement
Performance breakdown
Terrain Clearance
Low-profile shaping significantly reduces the risk of pedal strikes on rocks.
Pedaling Ergonomics
Slim Q-factor promotes a natural, efficient stance for long-distance comfort.
Structural Integrity
6061 aluminum construction balances lightweight performance with necessary trail durability.
Motor Integration
Engineered specifically for Shimano EP8 systems for seamless power transfer.
Aesthetic Profile
Minimalist design keeps the bike looking clean and uncluttered.
Size Versatility
Three length options accommodate most rider preferences and frame geometries.
Key Specs
Material
6061 Aluminum
Crank Arm Length
165 mm
Compatibility
Shimano EP8
Pedal Thread
9/16 inch
Color
Black
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