the ashton justice seems to be quite a popular choice tis a very nice frame and at only 250 smakers, pretty cheap, as for wheels, onza ronnie and reggie rims are a popular, not too wide and not too narrow, but very strong, hubs...only one make isn't there... hope...they've just brought out they're new pro2 trials hub, 48engagement point 4 sets of bearings etc, cranks either middleburn or tensiles, maxxis tyres etc check out www.tartybikes.co.uk tarty does very good wheel building options, and the postage is quick aswell.