Silca Elastomer Seal

Silca Elastomer Seal for Presta Chuck #242

Replacement elastomer gaskets for old or new SILCA pumps that offer a longer life expectancy than traditional rubber.

• Utilizes a high-tech, fully synthetic elastomer base material
• Features five 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
• New Two-Stage sealing geometry optimized for all Presta valve stems
• Pressure amplifying dome geometry uses air pressure to clamp valve stem
• Fits all SILCA Presta heads
• Made in USA

Silca Elastomer Seal for Disc Chuck #252

Replacement elastomer gaskets for old or new SILCA pumps that offer a longer life expectancy than traditional rubber.

• Utilizes a high-tech, fully synthetic elastomer base material
• Features five times the durability of traditional rubber materials
• New Two-Stage sealing geometry optimized for all Presta valve stems
• Fits all older SILCA disc wheel adapter versions (though at reduced max hands-free pressure)
• New Two-Stage sealing geometry optimized for all Presta valve stems

Silca Elastomer Seal for Reversible Chuck and Impero Head #323

Replacement elastomer gaskets for old or new SILCA pumps that offer a longer life expectancy than traditional rubber.

• Utilizes a high-tech, fully synthetic elastomer base material
• Features five times the durability of traditional rubber materials
• Used in three original brass chucks (Art.24.4, Art.84 and Art.323)
• Used in Impero frame pumps
• Can be flipped for Presta or Schrader (brass chucks only)