CoB Stem Cap System

The CoB stem cap system began as a simple contest entry on [Pinshape](https://pinshape.com/contests/bike-accessory-design-contest) on June 3rd 2016. I've always wanted to use that area of my bike for something functional and cool. At first my goal was humble: Transport a 16oz paper coffee cup on my bike without spilling all over myself. Hence, the CoB or Coffee on Bike was born. Shortly after making my first prototype, I realized I could put all sorts of things on the base. So, I've been doing j