The tourist office next to Myoko Kogen train station is offering a bike rental service that is available to all tourists. The bikes are Montbell SCHEIDEGG high quality road bikes and an adjustable helmet is aslo included in the rental cost. There are also an electric road bikes available.
With a bike and some energy you can head anywhere in Myoko. You can ride to Imori Pond, Naena Waterfall and even up to Sasagamine. Biking is very popular in Japan and the wide roads with wide hard shoulder area make it very safe to ride almost anywhere.