• Synthetic elastomer gasket with 2X the holding power and 5X wear resistance of traditional gasket materials
  
• Two stage seal design, improves sealing and stability on all presta valve stems
  
• Adjustable compression, user can tighten the cap to increase holding power by 4X and compensate for wear
  
• 15 degree stem angle reduces stress on the valve stem from pump hose
  
• SRAM Model ID: WH-SPP-A0

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