Topeak Valve Extender - 28mm BPW Fill marks so you can

Fill marks so you can easily mix up drinks to your needs

Drilling: Fore Carbon tapeless tubeless technology (front 18 holes and rear 24 holes)

combining cutting-edge technology and durabilityUtilizes Bluetooth and ANT+ protocols for seamless connectivity with cycling computers and smart devicesPowered by a single AAA lithium battery with an operating time of over 400 hours for extended adventuresFeatures power measurement on the left side

Made for the rigors of everyday shop use

road or trail surface

Topeak Valve Extender - 28mm BPW Fill marks so you canMachined from durable aircraft grade aluminum alloy to conveniently extend length of two piece type Presta valves by 28mm 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: 3. 8 x 0. 6 x 0. 6 cm 1. 5 x 0. 23 x