Thread: Presta valves constant failures.
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Old 04-07-15 | 10:20 AM
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HillRider
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From: Pittsburgh, PA

Bikes: '96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '20 Surly Midnight Special, All are 3x10. It is hilly around here!

When you push the pump head onto and take it off of the valve, be sure to do it in a straight line. If you insert or remove it at an angle you can bend the valve's threaded core.
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