WeldtiteSchrader Type Valve Extension Adaptor - Bike Bits - Precision Engineered For Easier Access to Tyre Valves - 4 Pack

Usual excellent service from Amazon and Prime; item was well wrapped, with speedy delivery and quality goods. Pleased with my purchase. Makes checking pressures easy.W

I could push air through them when they weren't attached to The valve but once screwed into the valve they simply didn't work

Very useful if you have valve recessed into the wheels. One did not work with pressure gauge, but I thik the gauge was at fault.

Very happy with these extensions they are well made and make it much easier to put air into the tyres good delivery I have ordered another set for spares

Found to be too small for application

Not one of the four in the pack worked on my wheelchair inner tubes. The stem inside the extender that is meant to push down on the valve is too short when screwed on. It does not make contact or near enough contact to work. I tried it with three different pumps and not once did it work. The mechanism on all four extenders work but requires something that will push the mechanism in deeper than what the three pumps I own will do. Close but no cigar. I now have four shiny long valve caps instead.

These are brilliant. Bought them to save taking the wheel trims off our horsebox (and replacing the tie-wraps) each time I want to check the tyre pressures. Incorporating an internal valve, they work a treat, are very easy to position, and the dust cap simply goes on the end once again. I have to check this further at motorway speeds, but I think they're light enough not to affect the balance of the wheel.

Look good, reasonably well made, Do they work? Yes they extend the valve outboard of the wheel rim and no they dont work. Within 30 minutes of fitting and inflating the tyres to the recommended pressure, the tyres were flat. This occurred on all 4 tyres. Thinking I might not have screwed the extenders on tight enough I removed them and carefully wrapped PTFE sealing tape around the threads and replaced all 4 extenders. The tyres were re-inflated and again within 30 minutes the tyres were flat. My recommendation would be not to waste your money if you were considering purchasing these.