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Presta to Schrader valve adapter to pump racing bicycles up to 10 bars (148 psi).

by deesse

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adapter bicycle dunlop dunlop valve English valve French valve Presta presta valve pump schrader schrader valve Sclaverand Sclaverand valve valve adapter bicycle dunlop dunlop valve English valve French valve Presta presta valve pump schrader schrader valve Sclaverand Sclaverand valve valve

Presta to Schrader valve adapter.

The adapters I found on Thingiverse either leaked air, or they were too thin and broke after using twice. So here is an improved version.

Features:
- easily reaches 10 bars (148 psi) for racing tires.
- excellent seal with the pump chuck (since no external thread is used that leaks air).
- extra-long stem to prevent the chuck pin from pushing against the valve tip (no hassle with air escaping as you connect the pump).
- virtually unbreakable.

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Source

Thingiverse

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