Hey all just wondering from the seat of the pants feel a two tooth jump up on the rear sprocket is gonna make a big difference. I'm a big fella 300lbs and the bike handles my weight fantastic. Long gone r my das of 240km/h plus riding but I do enjoy the occasional wheelie! ? I'm running a525 chain with stock front and a 43 tooth rear now. Think I'll go to a 45. Any input (other than about my girth ?) is appreciated. Thanks.