Made in the USA from 7075 aluminum alloy, Cosine chain rings are round and true.
They fit 104-BCD four-bolt cranks.
The 7075 rings come in 41-44-tooth sizes only and have a durable hard anodized finish.
41T-BX-CR154H41T: 84 grams/2.9 ounces
42T-BX-CR154H42T: 87 grams/3.1 ounces
43T-BX-CR154H43T: 90 grams/3.17 ounces
44T-BX-CR154H44T: 92 grams/3.2 ounces
Be The First To Review This Product!
Help other SPEED FX BMX users shop smarter by writing reviews for products you have purchased.