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e*thirteen

e*thirteen Helix Race e*spec chainring, 36T, Bosch

85.99 €
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From 29.01.2026 (Thursday) Check availability
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By courier to your home Express courier delivery GLS Express courier delivery DPD
Delivery method on Friday 30.01.2026
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At collection points
Delivery method on Friday 30.01.2026
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Extended return option up to 100 days More info

The e*thirteen Helix Race e*spec crankset features cutting-edge design and performance, designed for Bosch e-bikes but supporting a wide range of drives. It is made of lightweight and durable 7075 AL aluminum, which guarantees long life and high rigidity. The modern narrow-wide M4 profile improves chain grip and ensures high compatibility with various drive systems.

  • Compatible with Bosch CX Gen4, Bosch SX, TQ HPR50, Fazua Ride 60, Shimano EP8, Specialized SL1.1 and 2.1/2.2 motors
  • Made from solid 7075 AL aluminum alloy
  • Direct Mount for easy installation
  • New narrow-wide M4 profile for tight chain retention and compatibility with Shimano, SRAM and TRP 11/12 spd (including T-Type)
  • Low weight, high durability and rigidity
  • Clean technical design suitable for modern e-bikes
Product details
Colour black
Groupset Other
Converter mounting Bosch
product ID 339563
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e*thirteen
Chainrings e*thirteen
The brand e*thirteen is recognized for its innovative approach to engineering and producing durable and reliable products. e*thirteen offers a diverse range of mountain bike components and accessories. Some of their most notable products include chain guides, chainrings, cassettes, bottom brackets, wheels, pedals, dropper seatposts, and other drivetrain and suspension components.
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