stock riders have big wheels to compensate for the lack of penis size. mod riders have the room for big penis's cause of the small wheels and can have both, mod riders blates have bigger penis's that stock riders Chris, your penis will shrivel and die for changing to stock NOW that just made me laugh out loud for ages.........blates the funniest thing ive heard all year....... yeah ash i just got up thear and gave the gap a bash..........made it 4 times waz quite chuffed with it........ andy was scared of it for a while and then he just had to do it he came off a a lil and under estimated the gap and came off backwards the tank lol chris is soooooooooo much better on the stock his sidehops are now at 40 inches .......madness and fair play to chris... beast......