Promax 4-Bolt Chainring - 42t 104 BCD Black MFPN=ST0009 Fits all chains including 11-speed

Fits all chains including 11-speed

Contains two replacement blades

Adjustable from 10mm to 50mm

}Schwalbe Marathon Plus Tire - 650b x 38 Clincher Wire Black/Reflective Performance Line

Bushings) - Maven Bronze A1

Promax 4-Bolt Chainring - 42t 104 BCD Black MFPN=ST0009 Fits all chains including 11-speedPromax 4 Bolt Chainring 42t 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