R4 Premium CNC 29″ BMX 5-Spoke Alloy Bicycle Sealed Wheel set, White, CNC for Pad BrakesPremium 29 BMX 5 Spoke Mag Rims BMX Complete Bicycle Sealed Wheel Sets ON SOME BMX BIKES WHEN RUNNING A REAR & FRONT DISC BRAKE THERE MAY BE A SLIGHT MODIFICATION NEEDED FOR DROP OUT SPACING AND REAR CALIPER SPACING. Why Choose Our Mag wheels? Magnesium material is often used in automotive and aerospace industries, it is also perfect material for bike wheels. As we know the most important components on a bike are its wheels and frame, we want it more