Promax 5-Bolt Chainring - 42t 110 BCD Black MFPN=21029000 9 Material Carbon Defined Color

9 Material Carbon Defined Color Black Clamp Style Standard Rails Offset (mm) 0

180 straightpull hub is a lighter stiffer and more durable hub

MS compatible 12 Spd Shimano Micro Spline

Tubular CroMoly rack stainless steel and aluminum hardware

Promax 5-Bolt Chainring - 42t 110 BCD Black MFPN=21029000 9 Material Carbon Defined ColorMachined 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 Color Black Ring Position Type Single Tooth Count 42 Round or Oval Round