SILCA 242 Gasket for Presta Chucks - SILCA
SILCA 242 Gasket for Presta Chucks - SILCA

SILCA 242 Gasket for Presta Chucks

Regular price$ 9.00
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Rated 4.9 out of 5
Based on 70 reviews

The Iconic SILCA 24.1 gasket is the heart of the press-on Presta chuck. The current 242 gasket utilizes a high tech and very red, fully synthetic elastomer base material.

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  • Unmatched Support

• Synthetic elastomer base material
• 5X the durability of traditional rubber
• Two-Stage sealing geometry
optimized for all Presta valve stems
• Pressure amplifying dome geometry
uses air pressure to clamp valve stem
• Fits all bell-shaped SILCA Presta heads
• 9mm H x 21mm OD

Limited Warranty

SILCA LIMITED WARRANTY 

Parts covered by SILCA Limited Warranty are considered to be subject to wear through normal use or are consumable subject to degradation through the course of their daily use.  SILCA guarantees the life of these items to be at least 2 years from the date of original purchase.

     This unique bright red gasket borrows from industries which require air-tight seals in the harshest of environments. It tests to a life expectancy of more than 5X the carbon filled rubber or Buna-N materials used previously.  New Two-Stage seal geometry seals on both valve stem and at the base of valve core threads resulting in a more positive seal and improved durability.  The new gasket slips onto the valve stem with a satisfying 'click', while unique internal geometry actually utilizes line air pressure to compress the gasket onto the valve stem: the higher the pressure, the tighter the seal. This design is so iconic we've found more than 20 companies world-wide making pump heads and gaskets copied from this, but none of them can come close to the precision and technology of the SILCA 242.

    average rating 4.9 out of 5
    Based on 70 reviews
    • 5 Stars
      67 Reviews
    • 4 Stars
      2 Reviews
    • 3 Stars
      1 Review
    • 2 Stars
      0 Reviews
    • 1 Star
      0 Reviews
    99% of reviewers would recommend this product to a friend
    Customer photos and videos
    70 Reviews
    Reviewed by William J Thompson I.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5
    Review posted

    Repair/Replace

    This washer brought my pump back around to “like new” condition.

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    Reviewed by James N.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5
    Review posted

    Gasket

    Works great

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    Reviewed by Keith B.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5
    Review posted

    Performing seal

    Works! Good as olden ones.

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    Reviewed by Stephen L.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5
    Review posted

    Better than black rubber

    Better than the rubber variant - especially in dry climates.

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    Reviewed by John R.
    Verified Buyer
    I recommend this product
    Rated 4 out of 5
    Review posted

    Silica Gaskett

    It seems to have fixed the problem. A bit pricy for what is probably about 25 cents worth of materials, especially with the shipping charge added.

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