SKU: 81440179989

e*thirteen Helix Race e*spec Chainring - Bosch SX / Gen4 CX Direct Mount, 15mm Offset, 32T, 11/12 Speed, Silver

Sale price$68.36 Regular price$75.95
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 5 - Aug 10

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Description

e*thirteen Helix Race e*spec Chainring - Bosch SX / Gen4 CX Direct Mount, 15mm Offset, 32T, 11/12 Speed, SilverHelix Race e*spec Chainrings merge cutting edge design and performance. Designed for Bosch SX and Gen 4 CX equipped e bikes, this 1pc direct mount chainring is forged from 7075 AL for lightweight durability, impressive stiffness, and a standout technical aesthetic. Its custom metal dust cover enhances style and minimizes seal and lockring contamination. The new M4 narrow wide profile delivers enhanced chain retention and cross compatibility with

Helix Race e*spec Chainrings merge cutting-edge design and performance. Designed for Bosch SX and Gen 4 CX equipped e-bikes, this 1pc direct mount chainring is forged from 7075 AL for lightweight durability, impressive stiffness, and a standout technical aesthetic. Its custom metal dust cover enhances style and minimizes seal and lockring contamination.The new M4 narrow-wide profile delivers enhanced chain retention and cross-compatibility with Shimano, Sram, and TRP 11/12s drivetrains, including SRAM T-Type.
  • 15m Offset

Product Specifics

  • Tooth Count: 32
  • Round or Oval: Round
  • Drivetrain Speeds: 11
  • Drivetrain Speeds: 12
  • Material: Aluminum
  • Designed for ebike: Yes
  • Defined Color List: Silver
  • Defined Color: Silver



Today's Stock Status

Currently not available




UPC: Not available
EAN: 4711280343546
Manufacturer Part Number: CR5HRA-102
CR4217
183072-Q0-L

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 81440179989

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C
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Cliente de Amazon
Boise, US
★★★★★ 5
Excelente
Excelente
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Reviewed in the United States on May 31, 2026
I
Verified Purchase
Ivan Santana
Birmingham, US
★★★★★ 4
Functions. No trigger,need relay for car install
Functions,but will not turn off. No remote wire,just positive & negative. Need relay to install correctly to use on-board fuse. Or connect to remote only to view voltage use. No instructions.
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Reviewed in the United States on September 29, 2025
V
Verified Purchase
Very slowly shipping 20 days to California
Chelsea, US
★★★★★ 5
Good quality
Good quality
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Reviewed in the United States on December 14, 2025
J
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Junior Omar Arias Chavarria
Boise, US
★★★★★ 5
Se ve excelente
Se ve de buena calidad, aún no lo instaló pero si se aprecia muy bueno.
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Reviewed in the United States on April 11, 2026
A
Verified Purchase
Armando salazar
Dallas, US
★★★★★ 5
Ez install
I really like how EZ it was to install, the display is handy tells you what your voltage is currently. Nice
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Reviewed in the United States on February 5, 2026

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