ive used the 04,05,06 models and if it wasent for an offer on the zhi continued with the 07 ..none of the frames broke they are made from 7005 . in hungary one of the top rider broke his coustellier v2 in 3 mounths and now is sponsored by magellan and for the 2008 season he will desigh the frame...so if y whant a good frame and low price go for it