My bonneville T100now has thruxton guards frnt/rear ,straight through ( silencers ),120 jets ,no air induction ,19 tooth front ,43 tooth rear sprockets,no rear footpegs. weight savings :-1lb each footpegs ,sprockets 3lb,chainguard 2lb,silencers ( a lot )drive sprocket cover 4 lb. Now does 70mph@3.600 revs have hit 117mph .am still experimenting ,engine is 790cc standard spec .