Bicycle Mechanics - Looking for a right angle valve extension
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08-03-10, 08:57 AM
Does such a thing exist? The kick scooter with 12 1/2" tires I rescued from the curb is now sporting new BMX calipers. The last thing it needs is air in the tires...but the large plastic spokes don't leave enough room for the chuck on any of the pumps I have at my disposal.
Can anyone point me to a source for some sort of right angle Schrader valve extension, or maybe a tube extension with a chuck that doesn't have the flip-up lever on it?
08-03-10, 09:01 AM
Most motorcycle stores (http://www.motorcycleparts-hornig.com/BMW-R-1100-1150-RT/Accessories-Paint-protection/90-degree-Valve-Stem-Adapter.html).
08-03-10, 09:04 AM
08-03-10, 09:17 AM
Thank you both! Googling had failed to turn those up for me...gotta work on my keywords ;)
04-20-11, 06:01 PM
I finally found something after much google searching. I have several kids scooters and balance bicycles with small tires I just can't get a pump onto. However, I never found a clamp on type, just screw in (which is awkward if you just want to fill and go).
The extenders seem to be sold mostly for truck and motorcycle users. Good keywords for this adapter seem to be "valve stem extender" or "flexible Schrader valve stem extender" or even "right angle valve extender".
There is a Chinese company that offers flexible Schrader extenders at:
And a UK vendor sells them at retail:
Schrader Valve Pump Connector (http://www.discountbicycles.co.uk/biz/product.php/3472/4649/schrader_valve_pump_connector)
Metal right-angle versions are sold in the USA at:
But the best option seemed to be the Topeak adapter, which has an internal valve to reduce pressure loss on removal (making it easier to unscrew as well):
Topeak Pressure-Rite 90 degree pump adapter (http://www.cswestbikes.com/) ( CS West Bikes - Free Shipping )
Topeak Pressure-Rite Anti-Air Loss Connector (http://www.amazon.com/gp/product/B000FIAVKG/ref=as_li_ss_tl?ie=UTF8&tag=obviouslyente-20&linkCode=as2&camp=217145&creative=399349&creativeASIN=B000FIAVKG) ( Amazon )
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