Silca Presta Chuck 17-4 Stainless Steel
Silca hoses, heads and adapters for bicycle pumps.
- 17-4 Stainless Material - 6 times the strength and 2 times the hardness of Brass
- Full synthetic Elastomer 242 Gasket
- 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 threads on the hose side thread into any Schrader compatible hose attachment
- Hand-crafted with pride in Indianapolis, USA