Cosine Chainring

CHAINRING BOX COSINE 104mm 38T 4B BK

  • $49.99


  • Made in the USA from 6061-T6 aluminum alloy, Cosine Chainrings are round and true
  • They fit 104 BCD four-bolt cranks and are available in black anodized with laser-etched graphics from 38 to 45-teeth
  • 104mm 4-bolt
  • 38T
  • 6061AL
  • 3/32
  • Black
  • 1sp
  • Standard

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