I have a delmar beach cruiser,alot of room for motor,pk,80 slant,power king,found a off the wall old time hardware store,they had 5 in,2 1/2 wide,3 inch of thread on them,u bolts,going u bolt way,muffler clamps not long enough,plus needed more thread,going flat stock,drill 4 holes,going to weld u bolt to frame,plus nuts and bolts,don't like the studs seem like pot metal.Schwinn frame steel.u bolts 1/4 steel,wish I could drill & tap cant ,stud holes.out side walls to thin,making this rock solid. { but first build } What do you think about welding u bolts to frame,don't want to drill hole in frame.the u bolts can be cut and ground down,plus paint,herd no more motors from china ,new law,power king won't answer me at all,were are we going to get replacement parts,if you now were to get parts let me know.any one out there,hope this motor lasts a long time,or I'll just remove it and have a petal bike ,motor coast $ 134.00.I have alot of time and money in this bike,Thanks for feed back.