>> I've had a look and even for the tyre alone I can't find any for
>> less than £100. There are plenty of cheap brands for £50 such as Wanli but
>> I wouldn't even put them on a push bike!
Thank for looking. Yes, that is what I saw when I looked. I just wondered if perhaps the trade cost of the tyres was much less, so that they were suggesting they could give me a good discount, especially as I was having a service at the same time. I guess I should have double checked what tyre they would have replaced it with.
>> Are you sure its just not a faulty valve?
No, but it did occur to me that it could be that. I have only done about 2,000 miles since I bought it, so I did feel a bit unlucky that I might have gotten a puncture (mind you that 2,000 miles is a lot of town driving and car parks, where I guess debris is more likely). It made me wonder whether it could be the valve instead.
However, I bought it in September, checked the tyres about a month ago and inflated them to the recommended pressures (35 at the front, 32 as the back if I recall correctly). When I checked them the two rear tyres were roughly the same pressure, after 4 months of ownership, so it seems that the valve was OK then.
Is it likely that the valve could have developed a fault since then, or are faulty valves normally faulty from the point of manufacture?
The other thing is, given the rate of air loss (which I guess slows as the internal pressure lowers), it might be that the problem started when I inflated the tyres a month ago. Is that likely, could I have damaged the valve when checking or inflating?
Is there any easy way to check the valve, without removing the tyre? Just wondering if could find something that would allow me to submerse it in water.
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