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Silca Locking Presta Valve Chuck "Hiro V.2"
Silca Locking Presta Valve Chuck "Hiro V.2"
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Silca Locking Presta Valve Chuck "Hiro V.2"

Mfg PartNum:AM-PU-CHU-ASY-006
$64.99
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Silca's unrivaled locking chuck employs a rotating head and a locking side lever to easily lock onto any Presta valve, from any angle, and hold its seal up to 300 psi. The locking chuck is meticulously constructed in the United States using stainless steel, and it's knurled for good grip in wet or greasy conditions. The chuck uses a high-tech Silca 254 elastomer gasket for excellent sealing and durability.

Adjustable gasket preload for customized fit. Male Schrader threading fits into any Schrader chuck or Silca's Thread-On Schrader Adapter. Manufacturer-guaranteed for 25 years.

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-CHU-ASY-006 

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Reviewed 9/18/2020
by BikeLA
Cycling Enthusiast
Los Angeles, CA
Value Rating
Overall Rating
1 of 1 customers found this review helpful.
Finally, after 25 years, I love my Silca Pista and use it all the time

I have a Silca Pista pump that's about 25 years old. I wanted to love it, and really tried hard. I bought it several different chucks, and I bought it new gaskets. But I could never rely on getting a good seal on a threaded presta valve, and mostly used another pump.

Then, one day, BikeTiresDirect tempted me with a sale price on the Hiro V.2. It's beautifully made, light and easy to use. It seals perfectly every time, and goes on and off without a struggle. Now I use my Pista pump all the time.

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Reviewed 11/16/2020
by Tpalfini
Cycling Enthusiast
Redding, CA
Value Rating
Overall Rating
One of each

I have both the standard Silca presta chuck and the Hiro V.2 for my Silca pump and occasionally have to change it out for a different wheelset. Both are of great quality.

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Reviewed 8/27/2020
by Bay Area Pedaler
Cycling Enthusiast
San Francisco Bay Area
Value Rating
Overall Rating
1 of 1 customers found this review helpful.
Serious Equipment for Serious Cyclists

Sure you can find a presta pump head for less, but this is true quality that will last a lifetime. The lever action allows you to seal the valve and inflate your tires without worrying about it slipping off or needing to hold it in place. It is quick, easy and sturdy.

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Reviewed 8/13/2018
by Bruce Mc
Portland, OR
Overall Rating
3 of 3 customers found this review helpful.
Silca hero V.2 - marvel of engineering

A must for deep rims and tight valve clearances. Impress your friends with the coolest bike tool they have ever seen.

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Reviewed 12/18/2017
by Bert
jacksonville fl
Overall Rating
4 of 5 customers found this review helpful.
Well made

Im a big believer in quality. I know some would consider this expensive. But I will say very well made and moron proof. By that I mean Im not the best with gadgets sometimes and yet I had no problem using product. This product is worth the investment because you will pass it down as it will outlast you.

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Reviewed 5/18/2017
by Anonymous
Daily Commuter
South Dakota
Value Rating
Overall Rating
5 of 6 customers found this review helpful.
easy to use

I use it on my go to pump. I run my tires from 60 to 90 psi so I don't know about how well the head stays on when using at high pressures. I like that I'm not twisting my presta valve when I put it on or off. It goes on quick and holds well. It's down fall is price and size. The size is OK on a floor pump, but if you carry it it's kind of big.

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Reviewed 3/9/2017
by Phil W
Cycling Enthusiast
Southern Indiana
Value Rating
Overall Rating
3 of 9 customers found this review helpful.
Another big disappointment from Silca!

I had purchased a Silca pump a couple of years ago but had seldom used it as there was one problem after another with it. Threaded valve stems wore out the rubber gasket very quickly so I bought replacements. It didn't want to seal very well on any valve stems whether threaded or smooth. Also, the hose fitting came apart but I contacted Silca and they replaced the hose as it was under warranty. I thought maybe the locking valve chuck would solve all of the problems and allow me to finally get some use of this expensive pump instead of continuing to use my good old reliable $50 pump from brand S. Well, it just turned into throwing good money after bad as the chuck, when locked, does not stay on the valve when the pressure nears a usable pressure, 95 to 100 psi. Silca seems to make very attractive and very expensive products, but from my experience, they just don't work very well. Very disappointing!

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Reviewed 2/21/2019
by Rr
new England
Overall Rating
1 of 2 customers found this review helpful.
Gear Product

But even better conmoany to deal with. Fully knowledgeable staff answered all my questions prior to purchase... such a good feeling to purchase from a great store.

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*Orders received before 3:00PM Pacific time are shipped the same day (Mon-Sat). Orders over $50 are shipped free (USA only, excluding AK and HI). Some exceptions apply. See Shipping for details. 15