SILCA Valve Core Extender with fixed Valve Core (2 pcs.)

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Description of SILCA Valve Core Extender with fixed Valve Core (2 pcs.)

These valve extensions allow for a simple, air-tight installation without tape or threadseal and help reducing noise and vibration on the road.

That dreaded valve stem 'click' has tortured many a deep-section wheel rider over the years, often only discovered after about everything else on the bike has been rebuilt and greased, valve stem 'clicking' or rattling occurs when the valve stem moves within the valve hole in the rim, generally on rougher roads. Silca uses a patent pending ribbed gasket which is compressible to both fit more tightly to the hole as well as to cushion any contact between the rim and extension when the gasket is aligned with the hole, and if the gasket is located beyond the hole, it still provides critical vibration damping which can greatly reduce noise.

SILCA presta valve extensions work by simply threading over top of an open presta valve, and work on both fixed core and removable core Presta valves. SILCA extensions solve air leakage due to poor thread fitment or to stem loosening by using both elastomeric gaskets at the interfaces as well as a thin film sealant on the thread surfaces. There is no need for Teflon tape when using SILCA valve extensions as the sealant for the thread interface is already inside the threads! This thin film seals air-tight and is non-adhesive so your extensions will be re-useable.

SILCA Presta Valve extensions work on ALL Presta valve types, but do NOT move the valve core to the top of the extension. If you are looking for extensions which move the valve core, please look at the SILCA RVC Extensions.

Note: The fitment recommendations given by SILCA in the provided chart are based on standard clincher and tubular tire well depths, your rim may vary slightly. Some rims have deeper tire wells, and some tubes may use other valve lengths. To ensure proper fit, you should measure the distance from inner rim face to base of tire well. Valve stem, plus valve extension should measure 14-24mm longer than distance between rim inner valve hose and outer valve hole. Locating the gasket within the hole is ideal, however, even if the gasket is entirely located outside the rim, some noise reduction will occur due to the damping effect of the gasket.

Features of the SILCA Valve Core Extender

  • Made from CNC 6066-T6 Aluminum with Elastomeric Gaskets
  • patent-pending ribbed Elastomeric Gaskets
  • Extensions have hex opening at the top for tightening (2.5mm)
  • Package Contains 2 Extensions pre-coated in thread sealant, and 2 ring gaskets for additional sealing at the valve.
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Fact Sheet of SILCA Valve Core Extender with fixed Valve Core (2 pcs.)

Product Name: SILCA Valve Core Extender with fixed Valve Core (2 pcs.)
Manufacturer: SILCA
Item Code: SIL268706
Year: 2016
Material: aluminium
Included in delivery: 2 pieces incl. 2 ring gaskets
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SILCA Valve Core Extender with fixed Valve Core (2 pcs.)
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