Silca Large Elastmer Washer for Presta Head

Availability:

In stock (2)

 

• The new 242 gasket utilizes a high tech Fully Synthetic Elastomer Base Material
• Features 5 times the durability of traditional rubber materials
• New Two-Stage sealing geometry optimized for all Presta valve stems
• Pressure amplifying dome geometry uses air pressure to clamp valve stem
• Fits all prior SILCA Presta heads
• Made in USA