Promax 5-Bolt Chainring - 45t 110 BCD Black ModelNumber=K1718 4mm inner liner may not

4mm inner liner may not be compatible with all frames and components

} Spoke Gauge and Length Ruler

More spacers less air volume

}Industry Nine Torch 6803 Inner Freehub Bearing

Fits all bikes made for SRAM UDH hangers

Promax 5-Bolt Chainring - 45t 110 BCD Black ModelNumber=K1718 4mm inner liner may notPromax 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