BOX Cosine 4 bolt [ Size : 39 ]
Make 4 payments of $21.25 over 8 weeks and get it now!
COSINE CHAIN RINGS
Made in the USA from 6061-T6 aluminum alloy.
Cosine chain rings are round and true.
They fit 104 BCD four-bolt cranks.
Available in black anodized with laser-etched graphics in 38-45-tooth sizes.
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