Promax 4-Bolt Chainring 104 BCD, Black size-20x13-8 and designed for park and

and designed for park and ramp use

Each TCS Mischief rim comes with a valve plug for the unused valve hole (TCS rims are drilled for both TCS and Schrader)

Hub includes Steel Bolts

and probably

Double Butted Top And Down tubes

Promax 4-Bolt Chainring 104 BCD, Black size-20x13-8 and designed for park andPromax 4 Bolt Chainring 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