e*thirteen e*spec Race Crank Arm Set
Best lightweight upgrade for performance oriented electric mountain bike riders.
These carbon cranks are the rare upgrade that actually makes sense for e-MTB riders looking to shed rotational weight without compromising on durability. By reinforcing the impact zones, they manage to survive the inevitable rock strikes that usually destroy lightweight components, giving you a faster ride that doesn't feel fragile.
$78.95
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Who it's for
- Performance-focused riders seeking maximum weight savings for their e-bike
- Aggressive trail riders navigating rocky and technical mountain bike paths
- E-bike owners wanting a premium upgrade for various drive units
Who should skip it
- Budget-conscious cyclists looking for a more economical replacement part
- Home mechanics without a comprehensive set of specialized bike tools
- Detail-oriented riders who prioritize maintaining a pristine showroom appearance
Performance breakdown
Rotational Weight Savings
Carbon construction significantly reduces unsprung mass for snappier acceleration.
Impact Resilience
Reinforced zones and protective boots handle aggressive rock strikes with ease.
Maintenance Simplicity
Integrated self-extractor makes removal and servicing a quick, tool-free affair.
Pedaling Efficiency
Stiff carbon layup ensures direct power transfer through every pedal stroke.
System Compatibility
Seamlessly integrates with Shimano EP8 and E8000 motor systems.
Long-term Durability
Vinyl wrap and robust design protect against trail debris and wear.
Key Specs
Material
Carbon fiber
Weight
680.39 grams
Crank Arm Length
165 mm
Bottom Bracket Interface
Hollowtech II
Compatibility
Shimano EP8, E8000
Pedal Thread
9/16 inches
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