umm I honestly went a bit completely ape with my trance and did full XTR 2x10 30/42 crank and XX 11/36 Cassette with KMC X10SL Gold Chain, TRX1 (alloy) wheels from the Advanced which is lighter, Raceface Next Carbon Riser, XT Brakes, Carbon OD2 headset spacers, titanium screws everywhere and ally screws everywhere else, KCNC bits where I could and a light gel Cro-Mo Saddle. Even the stem now weighs 120g for 70mm giant one because of the Ti Screws. I then added : Hans Dampf front and rear - tubeless with 100ml Stan's and Giant Dropper. Weight is now 12.5 with everything. The wheelset is pretty light at 1.65kg so no real weight saving available without sacrificing strength. The calculated weight difference to a 1x11 or 1x10 setup will be only about 100g and I don't like the gearing anyway... Point is that even with skinny tyres (which defeat the purpose of a trail bike) Save 500g??? no Dropper - Save 400g - fitting a light seatpost like a Thomson or similar other bits and bobs - maybe 100g and light XC wheels - save 200g - maybe you will have a close to 11kg 140mm travel XC bike that's very confused about what it is supposed to be. Honestly not all weight saving is worth the bucks.
