Specialized Tube 20" Presta Size:3.5-4.5 the high-wrap shield creates a

the high-wrap shield creates a bold

11-speed cassette with rhythm step design to keep your cadence

Quick Stow™ compatible: Carry soft flask

we learned that simple wasn’t just better for elite athletes

Size: 70mm x 93mm

Specialized Tube 20" Presta Size:3.5-4.5 the high-wrap shield creates aYour little ones have a youthful, intrepid spirit that sees them riding wherever the wind takes them. Most of the time, however, it takes them straight through thorns and debris, leaving you with the unenviable task of changing out flat after flat. But with our Standard Presta Valve Youth Tubes, you can rest assured that they're riding on tough tubes that are built strong to last. And to make sure of it, they feature a molded method of construction