stevenb said:Handlebars, stem, headset, pedals, bottle cages, saddles, seat posts, chainsets, front and rear mechs, shift/brake levers. Could all be swapped from MTB to road bike and vice versa....might need a couple of minor changes to make the chainset and mechs work properly but other than that some bikes will share these parts for sure.
bonj said:in fact the only things that CAN'T really be swapped are frame, forks, wheels, tyres, tubes, shifters. And no before you pipe up to add 'cassette' to that list many people have road cassettes on their MTB, my mate for one has got an 8-speed 12-25 on his mtb.