Once you have a roundhouse swingarm, you will never ever want a stock style swingarm. If you're going to spend more than $100 on a swingarm, step up and buy a roundhouse swingarm. If your neighbor needs a swingarm, sell him your stock style swingarm. If you need to drive your car up on ramps to change the oil and you can only find 1 ramp, use your stock style swingarm for the other ramp. If you lock yourself out of your house, use your stock style swingarm to break a window. Keep your stock style swingarm in your boat as a spare anchor.