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Smart E*thirteen Helix Race Alloy E*spec Crank Arm Set - Bosch Sx-brose S Mag-tq Hpr50 21.5mm Offset 155mm Self Extractor Blk Unlock 70% Savings [k6NHGzoP]

$43.99 $140.99 -69%

e*thirteen Helix Race Alloy e*spec Crank Arm Set The e*thirteen Helix Race Alloy e*spec Crank Arm Set is a top-tier choice for riders seeking a high-performance, weight-optimized alternative to carbon fiber cranks. Engineered for ebike compatibility,

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Smart E*thirteen Helix Race Alloy E*spec Crank Arm Set - Bosch Sx-brose S Mag-tq Hpr50 21.5mm Offset 155mm Self Extractor Blk Unlock 70% Savings [k6NHGzoP]

e*thirteen Helix Race Alloy e*spec Crank Arm Set

The e*thirteen Helix Race Alloy e*spec Crank Arm Set is a top-tier choice for riders seeking a high-performance, weight-optimized alternative to carbon fiber cranks. Engineered for ebike compatibility, this set is designed to enhance your ride with its superior quality and reliability. Whether you're a dedicated cyclist or an adventure seeker, this crank arm set is built to deliver exceptional performance on the trails.
  • Optimized for weight and performance
  • 24mm ISIS interface for universal fitment
  • Engineered for Bosch Gen 4 Brose S Mag TQ HPR 50 motor systems

Technical Specifications

Experience the precision and craftsmanship of the e*thirteen Helix Race Alloy e*spec Crank Arm Set. Crafted with attention to detail, these cranks offer a robust 9/16" pedal spindle, ensuring durability and reliability. Designed for ebike applications, these cranks are a perfect match for Bosch Gen 4 Brose S Mag TQ HPR 50, Fazua Yamaha Maxon, and Specialized Brose motor systems. With a black finish and a 155mm length, they provide improved pedal clearance and are tested to E-Enduro standards.
  • Black finish for a sleek, modern look
  • 9/16" pedal spindle for secure fitment
  • 155mm length for optimal pedal clearance

Practical Uses and Benefits

The e*thirteen Helix Race Alloy e*spec Crank Arm Set is an essential component for riders looking to upgrade their ebike setup. Designed for those who prefer the durability of alloy over carbon fiber, this set offers a practical solution for daily rides and challenging trail conditions. With its self-extractor feature and compatibility with various motor systems, it is a versatile choice for both casual riders and professional athletes. Whether you're tackling steep inclines or enjoying a leisurely ride, this crank arm set will enhance your cycling experience.
  • Universal fitment for various motor systems
  • Self-extractor feature for easy installation and removal
  • Enhanced performance for all types of cycling

What Our Customers Say

January 26, 2026

Absolutely no complaints!

This product is a fantastic discovery. I use it constantly.

- Khalid X..

January 26, 2026

Absolutely no complaints!

The build is robust and the performance is flawless.

- Cynthia Y..

January 26, 2026

Absolutely no complaints!

This product is a brilliant performer. I use it every day without a problem.

- Emely J..

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