Putting a small bag of dried fruit in your jersey is a good idea for a bicyclist: “if you need a quick burst of energy — such as to fuel a hard hike, a day spent skiing, or a long bike ride — dried fruit can be a delicious source of easily portable energy.” https://www.health.harvard.edu/digital_first_content/dried-fruit-healthy-snack-sugary-treat-or-somewhere-in-between