Topeak Presta Valve Extender Size:40mm Bonded to a microtex outer

Bonded to a microtex outer layer this material blend is our chunkiest option that combines comfort

Edition: Classic Edition

Optimized for tires measuring 24mm-30mm

-17°/-7° with angle shim

Rechargeable and sustainable - Assioma is the only pedal-based power meter with integrated rechargeable batteries

Topeak Presta Valve Extender Size:40mm Bonded to a microtex outerCCACHE recommends these type of valve extenders with next gen lightweight tubes such as Tubolito Tubo S Tubo and Schwalbe Aerothan. They don't require the inner core to removed. Precision machined aircraft aluminum Presta Valve Extender with leak free o ring seal. For 60mm or less, deep section rims. Specifications Ideal for use with Tubolito or Schwalbe Aerothan tubes Machined aircraft aluminum alloy Leak free o ring Seal Mfr Claimed Weight 3. 4g