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e*thirteen Helix R e*spec Bosch Gen4 chainring, 32T, 1x12, purple

85.99 €
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From 29.01.2026 (Thursday) Check availability
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Delivery method on Friday 30.01.2026
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Delivery method on Friday 30.01.2026
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Specialized converter for e-bikes with Bosch Gen4 motor

One-piece direct mount chainring made of forged 7075 AL aluminum, which guarantees maximum rigidity, strength and long life. Extensive CNC machining and an M3 tooth profile create an ultra-lightweight upgrade with exceptional chain retention and a modern technical design.

  • Number of teeth: 32T (weight 103 g)
  • Compatibility: Bosch CX Gen4 motor, T-type chain, Shimano/SRAM/TRP 11/12-speed gears
  • Mounting: Direct mount to e*thirteen Helix Race E*spec cranks
  • Chainline: 53 mm
  • Features: Integrated dust cover, excellent chain retention, compatibility with various transmissions, technically attractive appearance
  • Material: Forged and CNC machined aluminum 7075 AL

Ideal for riders who want to optimize the performance of their e-bike with a high-quality and lightweight drivetrain. It allows for a reduction in chainring size and full use of the wide range of e*thirteen cassettes.

Product details
Colour purple
Groupset Other
Converter mounting Bosch
product ID 372391
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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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