just noticed there open tommoz gonna ring them would you suggest i get an 18" thats the next size down or do u reckon that would be to small
I'm also 5"8 with a 30" leg. I also have a Cube LTD. I have the medium (18") and it's perfect. It would easily fit people a bit bigger or smaller, so there's no need to be weary, i guarantee the 18" will be spot on for you. Don't forget about the usual adjustments you can make, the seatpost goes up and down and the saddle goes backwards and forwards and can also be tilted. If you need any more adjustments, and i feel confidant you won't, you can just change your stem or even bar, but you won't need to. Cube LTD, 18" is the one for you, you won't be disappointed.
ive just ordered my cube ltd from pauls cycles im a bit worried now as ive ordered the 20"frame as i always buy a large im just under 6ft will it be to big i couldnt try it as it was a online purchase anyone got one