# e*thirteen Helix Race 8-Bolt Chainring - 30t 11/12-Speed 3mm Offset 8-Bolt Direct Mount BLK

Helix Race 8-Bolt Chainrings are an update to any 8-bolt drivetrain. Exquisitely machined from 7075-AL they're stiff and durable and provide a significant weight reduction over competitors. A unique four-bolt locking interface reduces assembly weight while improving longevity and ease of assembly and maintenance. Featuring e\*thirteen's M4 narrow-wide tooth profile they deliver excellent chain retention long wear-life and cross-compatibility.-   Helix Race 8 Bolt Chainrings provide an weight-saving upgrade solution for 8-bolt crank users and the perfect match for Helix Race Carbon Cranks
-   M4 narrow-wide profile delivers enhanced chain retention and cross compatibility with Shimano SRAM and TRP 11/12s drivetrains incl. T-Type
-   Unique 4-bolt locking interface reduces weight and simplifies installation and maintenance
-   Forged-CNC 7075 AL for ultralight weight with high strength stiffness and wear-life
-   Compatible with 8-bolt cranks and e\*thirteen Helix Race Carbon Cranks
    
    Tooth Count
    
    30
    
    Drivetrain Speeds
    
    12
    
    Round or Oval
    
    Round
    
    Offset
    
    3
    
    Material
    
    Aluminum
    
    Color
    
    Black
    
    Weight
    
    46
    
    Defined Color
    
    Black
    
    Direct Mount Type
    
    Direct Mount SRAM 8-Bolt
    
    Size
    
    30T

## Details

- **Price:** 72.95 USD
- **Vendor:** Gio's Outdoors
- **Type:** Chainrings
- **Tags:** Gio's Outdoors, Shopify Collective

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 72.95 USD | In stock |

## Images

- e*thirteen Helix Race 8-Bolt Chainring - 30t 11/12-Speed 3mm Offset 8-Bolt Direct Mount BLK

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> Source: [Smart supply deals](https://smartsupplydeals.com/products/e-thirteen-helix-race-8-bolt-chainring-30t-11-12-speed-3mm-offset-8-bolt-direct-mount-blk)
> Updated: 2026-07-22