Promax 4-Bolt Chainring
$29.99
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Machined from high-end aluminum, Promax 4-bolt 104 BCD chainrings are designed to handle the torque and stress of modern BMX racing and are fully capable in other single speed applications. CNC Machined from high grade 6061-T6 series aluminum for high strength while providing weight savings Designed to be used with most cranksets and spiders that utilize a 4-bolt 104 BCD chainring
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