20pcs Presta Valve Core Set,Brass Valve Core Bike Kit Valve universal Valve Cores for Road Bike, Mountain Bicycles FOROREH Presta Valve Core Replacement Set

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  • Easy installation As soon as the knurled nut is loosened and the valve pusher is pressed, the valve is open. When pumping, you only need to overcome the tyre pressure, which makes pumping easier.
  • Good Application Sclaveranda valves due to the smaller diameter are mechanically slightly less than other valves. The threaded follower shank with a knurled nut (both brass components) can bend and break when lifting or weaning the pump.
  • Service In case of problems please contact us. We will be happy to help you within 24 hours.
  • Difference Presta valve is very similar to rain valve, which is mainly used in Italy. In the rain valve, the threaded stem is so short that it does not protrude from the valve pipe and therefore cannot be bent.

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