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e*thirteen e*Spec Helix Core Crank


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The e*thirteen e*Spec Helix Core Crank is deigned to for an E-bike upgrade. Includes Crankset, Crank Boots, Sticker, and a Manual.

Engineered for e-MTB strength, so you don’t need to worry about pedal strikes or holding back on your next gravity run. Forged aluminium arms keep you confident on the trail, while alloy self-extracting crank bolts mean efficient routine service, and minimum added weight.

The e*thirteen e*Spec Helix Core Crank has added details like pedal washers and moulded impact boots. Includes e-rider preferred shorter lengths and delivers all the high-end features you’d expect from a crankset well over its price.


  • Colour: Black
  • Chainring: Helix Race E*spec Chainring, Helix Core Steel Chainring, e*spec Plus rings, 104BCD spider, or other rings designed to fit Bosch G4, Brose S Mag, or TQ HPR50 (sold separately)
  • Compatibility: Compatible with Bosch
  • Included: Crankset, Crank Boots (x2), Sticker, User Manual
  • Length: 160mm, 165mm
  • Material: Forged AL-6066-T6 arms
  • Spindle: Compatible with 24mm and 30mm ISIS Spindles
  • Weight 24mm Spindle: 160mm: 497g, 165mm: 513g

Check out other e*thirteen products like the e*thirteen Vario Infinite Dropper Post

ethirteen Ebike Crankset Installation Guide

Guaranteed to be free from defects in materials or workmanship for 5 years after original purchase.

Additional information



Crank Model

Gen 4 E*Spec Bosch – Brose S Mag – TQ HPR50


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