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Silca #242 Gasket for Presta Chucks

Mfg PartNum:AM-PU-GAS-COM-242
$8.99
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Silca's attention to detail and constant improvement is what keeps their pumps operating for a lifetime. The 242 Gasket for Presta Chucks uses a fully-synthetic, elastomer base material that increases the life expectancy five times over previous materials. Two-stage seal geometry seals on both valve stem and at the base of the core threads for a better seal and improved durability.

Fits all Silca Presta heads. Works with 30.0/30.2 and 17-4 Stainless Presta-only chucks. Made in USA.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

Mfg PartNum: AM-PU-GAS-COM-252 

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Reviewed 7/2/2020
by Fakeo Nameo
Cycling Enthusiast
97229
Value Rating
Overall Rating
Fit my 35 year old pump head perfectly

My old Silca pump head had the plain black EPDM gasket and was worn out and slipping off of the presta valves I tried to fill. I put this new one in the old head and it fit the pump head and presta valves perfectly. (I have the large diameter presta only head, not the reversible prestaschrader type) I have only filled a dozen tires so far but the performance so far has been faultless. I can't say how long it will last yet but seems like good material. The price was kind of high for a little bit of rubber but the BTD price was as good as anyone else and the delivery was fast.

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Reviewed 4/7/2017
by lars
Cycling Enthusiast
Beaverton, OR
Value Rating
Overall Rating
1 of 1 customers found this review helpful.
The replaceable gasket continues the Silca tradition of fully serviceable products.

This rating is probably confused with a general rating of Silca pumps. The design of Silca products allows for replacement of any parts as they wear to extend the lifetime of the pumps. This design has kept my Silca going for 22 years. This gasket is probably the tenth in that time. The pump sees very regular use. Daily and often by multiple users at club rides.

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Reviewed 8/19/2016
by Anonymous
Cycling Enthusiast
NE Ca
Value Rating
Overall Rating
1 of 1 customers found this review helpful.
disappointed

Didn't seal. Gage needle dropped as quickly as the pressure stroke raised it. Went back to large rubber washer, which worked just fine. Maybe I didn't give it enough chance, but if it's still in the junk parts box when I'm out of rubber washers I'll try it again.

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Reviewed 5/30/2019
by MarkFreund
Milwaukee WI
Overall Rating
Works well

Every 5 years i replace it, simple and reliable.

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