i'm looking to build or buy a cheap second hand 20" trials bike i'm wanting something i can't break to easy anyone know of thing that sounds right also what should i look for in a trials bike, i'm still a beginner but getting better, starting to blame the bike as i went on gary.s's ZOO and felt very good also blaming my back brake , not the fact i'm still not very good well thanks for reading this and thanks for any answers charlie from ipswich