>>506653seeing as you're on a bike you should probably bring a wool blanket especially if you're going to get a cheaper sleeping bag.
you will also want to buy a sleeping pad but they don't cost much and they don't weigh much either.
http://www.amazon.com/ALPS-Mountaineering-Mystique-1-0-Tent/dp/B00BI30F4E/ref=sr_1_7?ie=UTF8&qid=1430606698&sr=8-7&keywords=1+person+tent+backpackingthis is a reasonably priced 1 person tent that will last you a long time.