>>1491908>>1491928>>1491936Any upgrades he would make can be transferred over to a lighter frame, should he so choose.
You can save a small amount of weight by replacing some of the less-load-bearing bolts, nuts, and/or washers with nylon or aluminum, removing reflectors and/or bells if legal in your area or using lighter weight ones, swapping to plastic, quill or other lightweight pedals, and if you have the capability to do it - milling grooves in your cranks or drilling holes in your brake levers like pic related.
Or just lose weight on your body you fat fuck