Leaking chucks are a thing of the past with the HIRO locking chuck. Use it on short valves, disc wheels, and any other Presta valve you can throw at it.
• Full metal construction
• Can seal on as little as 10mm of valve
• Adjustable pre-load for custom fit
• Disc-wheel compatible
• Threads into any Schrader chuck
SILCA LIFETIME WARRANTY
The SILCA Lifetime Warranty covers products from manufacturing defects for the lifetime of the user. It further covers the function of all hard parts for 7 years from the date of purchase. Expected wear and tear is not covered. Learn more about warranties.
Years ago while Josh was working with the Team CSC at the Dauphine Libere, he noticed one of their mechanics using the most amazing little chuck to manage the disc wheel inflation. Unlike anything he had seen before, it was all metal and used a 'lollipop' lever on the side to lock onto the valve stems in disc wheels. The mechanic explained that these were made in Japan and were coveted by all the Euro-Pro mechanics due to their scarcity. So Josh set out to improve the design and make it available to cyclists everywhere.
96%
of reviewers would recommend this product to a friend
Customer photos and videos
129 Reviews
SS
SHAD S.Reviewed by SHAD S.
Verified Buyer
I don't recommend this product
Rated 1 out of 5
Review posted
Not usable
I bought this expecting to be able to attach it to my air hose quick release. It has threads.
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BW
Ben W.Reviewed by Ben W.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted
The pro’s choice
Positive engagement and straightforward inflation. If you don’t have one get one
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JH
Jeffrey H.Reviewed by Jeffrey H.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted
Good quality.
Nice finish. Good weight. Aolod mounting to Presta fitting. I’d buy again for sure.
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JM
Justin M.Reviewed by Justin M.
Verified Reviewer
I recommend this product
Rated 5 out of 5
Review posted
It's as good as they say, enjoyable to use
This Hiro chuck is as good as they say – it can be operated one-handed, is stable and doesn't pop off, and doesn't snap open and smack your knuckle, leaving you cursing. If you pump up a Presta valve at least once per week, this is money very well spent and will turn the chore of pumping up tires into a fun ritual. If you're retrofitting an old pump, you need to get the "THREAD-ON SCHRADER CHUCK" to insert into your current hose.
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JK
John K.Reviewed by John K.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted
Great Addition to my Silca Track pump
A great Black Friday deal on this chuck made me pull the trigger to make this purchase. I wound up ordering the presta/schrader adapter separately; don't miss that piece if you're modifying an older pump with the original brass press-on chuck. The locking chuck now allows me to lock in on proper pressure, and to access valves that don't have enough room to access with the press-on style chuck. And with the schrader adapter, I can also use the Silca pump with the odd tire with schrader valves.
