daddyzord/dai3015 – thanks for the info. He does have a Frog 48 just now and fit has been fine for him, I’ll take him up to the local bike store at the weekend to try him on the Frog 55 and see how it is. I am still considering the Isla Beinn 20 (L) but just the gears that I am debating initially. I know these can be changed to thumb shifters but just extra cost.
mrbigglesworth – I had thought about a new pair of handle grips and seat in black but again just extra cost form the start. I see the Hoy 24″ comes with black grips/seat, I just cant believe someone went yip “white” that’s great for a kids bike and signed off on it.
They all seem to retain good 2nd hand values, I know looking at my frog 48 i would be able to sell for £150 and it cost me £200, RRP now is £250 and have seen ones for £170/180 so £50-£80 loss is still great for a bike for 12/18 months use