E*thirteen

e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t 11/12-Speed 107BCD Black

Regular price
$79.95
Sale price
$79.95
Regular price
$79.95
Expected Ship Date: Thu Jul 16
3 In Stock
First-Time Customer?
Your welcome discount will be automatically applied at checkout. (one-time use only)
Product Data
SKU:
CR4211
UPC/EAN:
4711280340989
MPN:
CR4HRA-149
Description
e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t 11/12-Speed 107BCD Black. The e*thirteen Helix R 107BCD Chainring designed for 4-bolt 107BCD cranks like SRAM Red or Force including power meter equipped cranks offers a performance upgrade for Gravel and Road cyclists. The 38 40 and 42 tooth rings pair perfectly with e*thirteen’s cassettes for more overall range and higher top speeds. Made from durable premium 7075 alloy theyre CNC sculpted for a high stiffness-to-weight ratio. Compatible with both SRAM and Shimano 11 and 12-speed drivetrains. Chainline is set by SRAM® Crank assembly.
  • Compatible with 4-bolt 107 BCD SRAM® cranks and Quarq® power meter cranks
  • M4 narrow-wide tooth profile provides Shimano and SRAM 11/12-speed chain compatibility (Including flattop chains) excellent chain retention and reduced wear
  • 4.8mm offset (Chainline is determined by SRAM® Crank assembly 45mm for normal width cranks 47.5mm for wide cranks)
  • Forged from premium 7075-T7 aluminum then extensively CNC optimized for light weight and technical aesthetics
  • Durable 7075-T7 construction for long wear-life stiffness and strength
    • TECH SPECS
    Ring Position/Type Chain Retaining Single RingTooth Count 40Drivetrain Speeds 11Drivetrain Speeds 12Round or Oval RoundChainring BCD 107Material AluminumColor BlackWeight 74Defined Color Black
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    Stealth Tahoe is your destination for high-performance electric rides in the Tahoe region. Based in Truckee, California, we specialize in powerful e-bikes, snow rides, and next-generation electric mobility built for adventure. Whether you're exploring mountain trails, cruising around town, or riding deep into the backcountry, our mission is simple: help you ride farther, faster, and have more fun doing it.