E*Thirteen Helix Race GR Chainring 36T Black

e*thirteen Helix Race GR Chainring | 36T | Black  – Forged AL 7075-T6, CNC’d for stiffness & low weight. -7mm offset for a 56.5mm chainline (83mm spindle). M4 narrow-wide teeth for chain retention, quieter drivetrain & Shimano/SRAM T-Type® compatibility.

e*thirteen Helix Race GR Chainrings – Gravity Optimized for Downhill, Bikepark & Freeride

Built for the toughest gravity disciplines, the Helix Race GR Chainring is precision-engineered to pair with Helix Race GR cranks and withstand the punishment of downhill, freeride, and bike park riding.

Crafted from forged AL 7075-T6 aluminum and CNC-machined for the perfect balance of stiffness, low weight, and clean aesthetics, this chainring delivers uncompromising performance on long-travel bikes.

Designed with a -7mm offset, it produces a 56.5mm chainline when paired with Helix Race GR cranks with an 83mm spindle. The Quick Connect Direct Mount spline ensures secure, creak-free installation.

Featuring the updated M4 narrow-wide tooth profile, the GR Chainring provides:

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  Improved chain retention

  
  


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  Reduced noise

  
  


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  Decreased drivetrain wear

  
  


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  Seamless compatibility with Shimano® and SRAM® drivetrains (including T-Type®)

  
  

✅ Key Features:

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  Sizes: 36T

  
  


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  Colors: Black

  
  


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  Material: AL 7075-T6 (forged & CNC’d)

  
  


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  Chainline: 56.5mm (-7mm offset)

  
  


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  Optimized for: Helix Race GR cranks (83mm spindle)

  
  


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  Gravity ready: Downhill, freeride & bikepark proven

  
  

⚠️ Note: Helix Race GR Chainrings are designed for 83mm spindle cranks. For 73mm cranks, use the standard Helix Race Chainring.