What are you looking for in a tube. Round, hold air, light lasts a while. Well these tubes do just that.
This is your basic 20x1 1 /8" - 1 3/8" Presta valve tube found on 98% of Mini, Jr. and Expert size BMX bikes.
This is the LONG Valve for use on the Deep Dish Carbon Fiber Rims.
It is used for Racing, Jumping, any type of riding.