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  • e*thirteen Helix Core e*spec Bosch Gen 4 E-Bike Crank

E-performance value

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.

Product details

  1. Compatible with Bosch Gen4, TQ HPR 50, and Brose S Mag
  2. Chainring compatibility includes: Helix Race e*spec, Helix Core Steel, e*spec Plus, 104BCD spider, or other rings for Bosch G4, Brose S Mag, or TQ HPR50
  3. Includes crankset, crank boots (2), sticker, and user manual
  4. Compatible with 24mm ISIS spindles
  5. Made with forged AL-6066-T6 arms

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