Re: 15 mile round trip too much for new build?
Never gave my motor a chance to argue. I live 15 miles from town. Fifty miles from work. Read my review for more info on that.
After a few hundred miles start tuning, till then, just check everything.
Watch your rag joint, I replaced the bolts with grade 10s, the nuts with grade 8 nylocks, and double up on the lock washers. Put one under the head of the bolt, and the usual one under the nut. I did this, and haven't had to retighten since, although I check before every ride. Before, I had to retighten every 10 miles or so, just to keep the sprocket straight.