Promax 4-Bolt Chainring - 41t 104 BCD Black Steerer Tube Length (mm)-245 square taper Crankset Prowheel Chainrings

square taper Crankset Prowheel Chainrings 38T Shifters microSHIFT MS25

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Promax 4-Bolt Chainring - 41t 104 BCD Black Steerer Tube Length (mm)-245 square taper Crankset Prowheel ChainringsPromax 4 Bolt Chainring 41t 104 BCD Black. 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 TECH SPECS Color Black Ring