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aargh short valves
on 19 February 2013
I have purchased these inner tubes a number of times, and every time I curse myself for doing so - so I've vowed never to do it again.
They are probably ok for some wheels, but for mine, the valves are too short. Attaching the pump to the valve becomes a battle of wills between me and the wheel. Particularly for the hand pump. It has on occasion taken me longer than 40 minutes to get the pump onto the valve, normally I have to let all the air out of the tube first and then squeeze the tyre in just the right place to expose enough of the valve, then with my magical third hand get the pump onto the valve and engage the lock. Then pray that it got on far enough. Then cry because I didn't.
With the hand pump, even when I do get it on far enough, I can only inflate the tyre to about 10psi before the air I pump in just comes straight back out, as the valve recedes back into the wheel.
I eventually discovered that "slime" tube sealant does actually work so I have put that in my tyres and have not suffered another puncture yet, but if I do need to replace it any time soon it won't be another one of these.
Otherwise they're fine. It's just an inner tube. what else is there to say?
Update: I have since discovered the joy of valve nuts which can be screwed on to the valve to hold it proud of the rim. This makes them much easier to use so I bought another one of these tubes when I needed one in a hurry. However, the tube failed the next day because the inner seam had split. It wasn't meant to be.