How to get a Bicycle on Pokemon Red/Blue!
https://www.youtube.com/watch?v=o82ZM9LgPg8
The Bike Shop has a store in Cerulean City, which sells Bicycles produced by the company. Designs range from a plain city bike to fast mountain bike; however the player only ever gets one: the Bicycle. It can be bought for 1,000,000, or exchanged for a Bike Voucher.