Replacement Parts. On that respect I'd say a set of lights, a backpack and some waterproofs. The best upgrade you can give your bike is the motor (yourself). My suggestion would be to ride this bike and enjoy it. No one to impress. Life deals us many blows. Many converts to the 29 inch wheel spoke of the seconds that they saved on each lap of a racecourse. I don't see much point in "improving" the bike until you decide what improvements you need. Did Beethoven "invent" ragtime with Piano Sonata No 32 Op 111? *Feature image location: Brown Bridge Quiet Area*, Being born and raised in Traverse City, Michigan, I have grown up with a passion for the outdoors, nature and photography. The first thing I got was a comfortable seat. Until next time, get outside and breathe. Light and strong alloy rims add durability without weighing you down Schwinn â¦ Brand New Schwinn Roadster 16" PINK Bicycle Replacement Parts: Choose your part! I have slowed down.