Topeak Valve Extender 40mm Pair + Tool Size:40mm They adapt after every run

They adapt after every run to match your performance and recovery and take into account the races coming up in your Garmin Connect™ calendar

Composition 83% Nylon

Power Boost Key

107 mm width Stem: Bontrager Approved alloy

Topeak Valve Extender 40mm Pair + Tool Size:40mm They adapt after every runMachined from durable aircraft grade aluminum alloy to conveniently extend length of two piece type Presta valves by 40mm 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. 40mm EXTENTION For Two Piece Type Presta Valves and Mid