BOX Components
BOX Components

Box Cosine Narrow Wide Chainring

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Item #: CG204A03
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Box Cosine Narrow Wide Chainring

When the time comes to set up your 1x drivetrain, you'll want a dependable chainring that won't drop your chain. The Box Cosine Narrow Wide Chainring is CNC-Machined from 7075-T6 Aluminum, which not only makes it strong, but also light weight and ultra-stiff. There are multiple tooth sizes to choose from, guaranteeing the availability of the right gear ratio for your needs.

Box Cosine Narrow Wide Chainring Specifications

  • CNC-Machined from durable 7075-T6 Aluminum Alloy
  • Lightweight and stiff
  • Proven Narrow-Wide Tooth Profile
  • Fit: 4-bolt, 104 BCD Spiders
  • 30-38 Tooth Sizes (even sizes only)
  • Designed & Made in USA
  • Sold as single chainring

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    CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

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