i have a scwhinn delmar cruiser and you dont have to bend the brake arm or mod the sprocket,you just remove the dust cover,it comes right off easy.the tensioner will keep the chain away from the tire.you do have to cut the rear fender for chain clearance or remove rear fender.i reccomend you reinforce the front fender bracket it will break do to vibrations but it wont fall off because it has other side supports.you do have to use wide frame front adapter,clamped or drilled,i went with clamped.i have plenty of clearance for intake+aircleaner and peddals with this bike.the muffler clears the peddals but comes close. this is the best bike ive seen and road.
48cc dual start starfire gt-2 grubee 44T sprocket 30-35mph @ 180-200mpg
with forced cold air intake silencer