Promax 5-Bolt Chainring - 45t 110 BCD Black ModelNumber=K1718 Bottom Bracket Compatibility: 30mm spindle

Bottom Bracket Compatibility: 30mm spindle only

Color Black Diameter 39

Forged for e-Enduro strength with alloy self-extractor bolts pedal washers and molded impact boots

}Crank Brothers Multi 5 Tool: Gold

Promax 5-Bolt Chainring - 45t 110 BCD Black ModelNumber=K1718 Bottom Bracket Compatibility: 30mm spindlePromax 5 Bolt Chainring 45t 110 BCD Black. Machined from high end aluminum Promax 5 bolt 110 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 5 bolt 110 BCD chainring TECH SPECS Color Black Ring