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Cycling navigate_next Components navigate_next Cranksets and chainrings navigate_next Chainrings navigate_next e*thirteen Helix R e*spec Bosch Gen4 chainring, 34T, 1x12, bronze
e*thirteen

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

85.99 €
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From 31.08.2026 (Monday) Check availability
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Delivery method on Tuesday 01.09.2026
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Extended return option up to 100 days More info

The Helix Race e*spec chainring combines advanced design and performance for electric bikes. Made from high-quality 7075 aluminum, which guarantees low weight while maintaining optimal durability and high stiffness. The bronze finish gives the chainring an attractive look.

 

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 retention and minimized risk of dropping
  • 13 mm offset for 53 mm chainline
  • Compatible with 11 and 12-speed Shimano, SRAM, and TRP drivetrains
  • Number of teeth: 34T
  • Configuration: 1x12

An ideal solution for riders looking for a reliable and high-performance chainring for challenging terrains and long rides on an e-bike.

Product details
Colour gold
Groupset Other
Converter mounting Bosch
product ID 372390
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Product questions
karelcermak karelcermak • 1 January 2026 at 9:39
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CS Pasuje prosím i na BOSCH Gen5 ? děkuji za odpověď

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1 January 2026 at 9:39
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gronkjear gronkjear Customer support • 2 January 2026 at 15:22 •replykarelcermak
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SK Dobry den, ano, prevodnik pasuje aj na motory CX Gen. 5.

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2 January 2026 at 15:22
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karelcermak karelcermak • 2 January 2026 at 16:13 •replygronkjear
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CS super děkuji za odpověď 👌

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2 January 2026 at 16:13
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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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