Right, so just seeing what i could do to loose abit of weight, wanting to loose about 1.5kgs, my bike weighs 10.2kg atm. Gu 06 long echo lites echo team stem zoo bars front sd7 vee rear 05 magura fsa headset echo urban front rim on echo hub old monty tyre gu cranks + atomz bash + welgo v8 pedals truvative bb king on dx32 creepy tyre not wanting to change anything what will effect the proformance of the bike, and not loose much strength, obviously a lighter front wheel will be good, but i dont want to get a really light rear rim.