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e*thirteen

e*thirteen Helix R e*spec Bosch Gen4 chainring, 34T, 1x12, bronze

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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Delivery method on Friday 30.01.2026
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Extended return option up to 100 days More info

The Helix Race e*spec chainring represents a combination of advanced design and performance for electric bicycles. Made from high-quality 7075 aluminum, which guarantees low weight while maintaining optimal durability and high rigidity. The bronze finish gives the converter an attractive appearance.
 

Key features:

  • Material: 7075 aluminum - lightweight and extremely durable
  • Designed for Bosch Gen4 CX and Performance Line SX drive units
  • Narrow-Wide tooth profile for better chain grip and minimizing the risk of jumps
  • Offset 13 mm for chainline 53 mm
  • Compatible with 11 and 12-speed Shimano, SRAM and TRP transmissions
  • Number of teeth: 34T
  • Configuration: 1x12

The ideal solution for riders looking for a reliable and powerful drivetrain for challenging terrain and long e-bike trips.

Product details
Colour gold
Groupset Other
Converter mounting Bosch
product ID 372390
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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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