Box Components Cosine Race Chainring  £54.99

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IDStockOptionPriceBasketWish List
38221Ships In 2 - 3 days38t
38222Ships In 2 - 3 days39t
38223Ships In 2 - 3 days40t
38224Ships In 2 - 3 days41t
38225Ships In 2 - 3 days42t
38226Ships In 2 - 3 days43t
38227Ships In 2 - 3 days44t
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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. 


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

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