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Silca

Silca 17-4 Stainless Presta Head

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853740005060
  • Iconic Silca Presta Head Design - in use by more pro team and shop mechanics than any other!
  • 17-4 Stainless Material, 6X the strength and 2X the hardness of Brass
  • Full Synthetic Elastomer 242 Gasket
  • 5X the durability of traditional rubber materials
  • New Two-Stage gasket sealing geometry optimized for all Presta valve stems
  • Pressure amplifying dome geometry uses air pressure to clamp valve stem
  • Schrader valve thread on hose side threads into any Schrader compatible hose attachment
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