Topeak Valve Extender - 70mm Box Pack Kid-Correct Weight: Is no more

Kid-Correct Weight: Is no more than 30 to 40-percent of a child's weight

Edition: Classic Edition

Thickness: 6 mm

which eliminates the stress risers found on most other stems

Topeak Valve Extender - 70mm Box Pack Kid-Correct Weight: Is no moreMachined from durable aircraft grade aluminum alloy to conveniently extend length of two piece type Presta valves by 70mm to aid inflation. Durable aluminum alloy valve tool is designed to easily tighten or remove two piece type Presta valve cores and valve extenders. Note: To improve air seal, wrap threads of valve extender and valve core with Teflon thread tape and ensure threads are tight. Specifications Size: 8 x 0. 6 x 0. 6 cm 3. 15 x 0. 23 x 0.