20x1-1/8" - 1-3/8" Twitch Ultra Light TPU Presta Valve Inner Tube Road Bike The Profile C-4 guards are

The Profile C-4 guards are intended to be used for ramp and light street

Comfort stretch collar with tagless printed label

If you want a pair built

The Cult Vans tire has a tread pattern that looks like the bottom of Vans shoes

This freewheel has M30x1mm threads and will only fit the small side of flip-flop BMX hubs

20x1-1/8" - 1-3/8" Twitch Ultra Light TPU Presta Valve Inner Tube Road Bike The Profile C-4 guards areTwitch Ultra Lightweight TPU tubes weigh 6070% less than standard butyl tubes. Less weight at the wheel means faster acceleration and better performanceperfect for racers and serious BMXers. TPU's smooth surface reduces friction, so your bike rolls faster and more efficiently than with butyl tubes. This tube folds down to pocket size making it ideal as a spare tube to carry on the trail or track. The material also resists cuts and pinch flats better