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@Whorty
I had a puncture on the rear wheel of my Charge Plug about 3 weeks ago and I took it to Cycle Surgery and they fitted a new tube and tyre - a 700x28 Armadillo.
This week I had a puncture on the front tyre but as I wasn't in town I just went to the same Cycle Surgery and asked for the same tyre and tube and I would replace the tyre myself. I got home and after some struggle (never changed a tyre before) I got the new tyre on. But it looked a bit different to the rear tyre and now I see that they gave me a 700x23 for the front, but they fitted 700x28 on the back.
Is this a problem? Should they both be the same size? Is there a risk of riding a 23 tyre when the original is a 28?
I live in SE London and have to ride up and over Crystal Palace/Sydenham hills, which means I hit 30+ MPH on the down side and the last thing I want is a tyre ripping off at those speeds.
Can someone please advise?
I have a second bike I can use tomorrow so won't be using the Charge until I am 100% it is safe.