Hello. Im after gettin a differnt frame, prefably a shorter frame e.g a base. they seem perfect to me. One thing, are they any good for propper trials? Also, the evo mounts?can i trust them? do they affect the brake performance? thanks:) Also are these frame considerd to be heavy? heres the weight, but im not sure weather ill be able to tell from ym koxx to this 2.366kg/5.21lbs