Maxxis Tube 20 x 1-1/4 x 1-3/8 Welterweight SV 48mm RVC 0.8mm

Reliable tube for 20" youth and utility bikes. The Maxxis Welterweight 20 x 1-1/4 x 1-3/8 fits narrower 20" tyres common on kids' bikes and entry-level BMX. The 0.8mm wall gives a sensible balance of weight and puncture resistance. The 48mm Schrader valve with removable core works with standard pumps and suits rims drilled for auto-style valves. Good stock tube for everyday youth bike use.