specialized giant cube cannondale Mavic Castelli endura altura

Box Components Cosine Chainring

Be the first to write a review
Select a size
Add to Basket
  • Product Information
  • Reviews (0)
  • Delivery & Guarantee
  • Product Description

    Made in the USA from 6061-T6 Aluminum Alloy, Cosine Chainrings are round and true. They fit 104 BCD four-bolt cranks. Available in Black anodized with laser-etched graphics in 38-45-tooth sizes. 

    • Material Alloy
    • Pitch 1/8"
    • BCD 104
    • Weight 84g - 41 Teeth


    • 38T-73 grams/2.25 ounces
    • 39T-78 grams/2.75 ounces
    • 40T-79 grams/2.8 ounces
    • 41T-84 grams/2.9 ounces
    • 42T-87 grams/3.1 ounces
    • 43T-90 grams/3.17 ounces
    • 44T-92 grams/3.2 ounces
    • 45T-96 grams/3.36 ounces