e*thirteen Helix R espec E-bike Crank for Bosch Gen4 / Brose S Mag / TQ / Fazua - bronze/160.0 mm

e*thirteen Helix R espec E-bike Crank for Bosch Gen4 / Brose S Mag / TQ / Fazua

Item number: 91713
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The e*thirteen Helix R e*spec Crank for enduro e-bikes


This Helix R e*spec e-bike crank is suitable for e-bikes with 24 mm ISIS interface, including fourth-generation Bosch motors, Brose S Mag and other brands. It is intended for enduro use and scores with low weight and a resistant, CNC-manufactured design. It is equipped with a self-extractor crank puller so that you can easily remove the crank when replacing the chainring, for example.

Guidelines for Replacing E-bike Components:

Before you replace components on your e-bike, please read through the guidelines for component replacement for CE-marked e-bikes/pedelecs with pedal assistance.

Specifications:

Application:
Enduro, All Mountain
Compatibility:
1x

Technical Information:

Series:
Helix Race e*spec
Crank Arm Material:
aluminium
Crank Arm Length:
155.0 mm, 160.0 mm, 165.0 mm
Chainline:
dependent on chainring
Recommended Bottom Bracket:
ISIS

Compatibility:

  • 24 mm ISIS mount
  • Bosch Gen4
  • Brose S Mag
  • Specialized Brose
  • TQ HPR50
  • Fazua
  • Yamaha
  • Maxon

Features:

  • strong e-bike crank arms for enduro e-bikes tested according to EN17406 Category 4
  • light and robust
  • CNC manufactured
  • integrated crank removal tool
  • short length for high ground clearance

Manufacturer Numbers:

155.0 mm:
CS4EAA-103
160.0 mm:
CS4EAA-104
165.0 mm:
CS4EAA-105

Contents:

  • 2 x e*thirteen Helix R e*spec e-bike crank arms
  • 2 x e*thirteen Crank Protectors

Weight:

  • bronze/160.0 mm: 431 g

Manufacturer:

e*thirteen
1120 Harold St
Alameda
CA 94501
USA
support@ethirteen.com

Distributor:

Cosmic Sports GmbH
Leyher Straße 47
90763 Fürth
Germany
info@cosmicsports.de
  • Lightning-fast shipping in 1-3 days
  • 100 days carefree return
  • Personal expert advice
  • 25+ years of experience

Models:

  • black/155.0 mm, currently not available
    157.99€
  • black/160.0 mm, Shipping in 1-3 business days
    159.99€
  • black/165.0 mm, available from 28.11.2025
    157.99€
  • bronze/155.0 mm, available from 06.07.2025
    63.99€
  • bronze/160.0 mm, available from 17.08.2025
    140.99€
  • bronze/165.0 mm, available from 06.07.2025
    146.99€
  • silver/155.0 mm, currently not available
    156.99€
  • silver/160.0 mm, Shipping in 1-3 business days
    158.99€
  • silver/165.0 mm, Shipping in 1-3 business days
    152.99€

Customer Reviews (1)

5

Customer Reviews (1)

5.0/5.0
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Give us your opinion on this product.

by Raymond S. on 19.06.2025
verified purchase
item: bronze/160.0 mm

Super Qualität, Passt klasse und sieht Mega aus!!

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