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Chainrings

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BOX Cosine Chainring
BOX Cosine Chainring
$54.99
- CNC-machined 6061-T6 aluminum with rounded tooth profile to reduce chain wear
BOX Two BMX Chainring
BOX Two BMX Chainring
$54.99
Made in the US from 6061-T6 aluminum alloy, Box Two 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.
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