Forged aluminum arms provide superior strength and durability for e-MTB and mountain biking
Alloy self-extracting crank bolts enable efficient routine service and reduce added weight
Multiple offset options (21.5mm, 24mm, 26mm) allow precise fitment for various motor systems
Molded impact boots and pedal washers enhance durability and protect against pedal strikes
Shorter crank lengths (155mm, 160mm, 165mm, 170mm) offer improved aerodynamics and control
Summarized by Shop
Helix Core e*spec cranks give your e-bike an upgrade with high-end integrity and aesthetics at a great value. Engineered for e-MTB strength, so you don’t need to worry about pedal strikes or holding back on your next gravity run. Forged aluminum arms keep you confident on the trail, while alloy self-extracting crank bolts mean efficient r