Read more: Battery Brands Ranked From Worst To Best Technically speaking, all bicycles are equipped with a transmission, even those without a gear shifter. A single-speed bike, also known as a ...

Most bikes should be easy to convert ... One major downside is that you will be stuck in a single gear if the battery dies since the manual shifter is completely removed. As one of the oldest ...

[Rich] is embarking on a fairly long bike trip in a few weeks – Seattle to Portland – and thought including some 3D printed gear on his ... a 3D printed bike shifter, and after an afternoon ...