E-Thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor Silver

Discover the e*thirteen Helix Race Alloy e*spec Crank Arm Set, designed specifically for high-performance e-bike riders seeking a durable, weight-optimized alloy alternative to carbon fiber. Engineered with a 24mm ISIS interface, these crank arms ensure seamless compatibility with leading motor systems including Bosch Gen 4, Brose S Mag, TQ HPR 50, Fazua, Yamaha, Maxon, and Specialized Brose. Available in a 165mm length with a 21.5mm offset and self-extractor feature, they offer enhanced pedal clearance and precise fitment, starting from short lengths as low as 155mm to suit various riding styles. Tested to rigorous E-Enduro standards, these cranks deliver exceptional strength and reliability for demanding off-road conditions without compromising weight. Finished in sleek silver, they combine functional design with a professional look, making them an ideal upgrade for your e-bike setup.