Sick of your plain and boring bike? Have a couple of old bikes just waiting to be turned into a glorious bike monster you can make yourself?
We've got you covered. This guide will help get you inspired - whether you want something a little flashier, ridiculous, or high tech - we'll show you how! All 20 bikes give you complete step-by-step instructions so you can make them yourself, plus lots of fantastic feedback from our community in the comments.
If you've ever wanted to ride a pencil or drive your office chair to work - NOW IS THE TIME.
So get building and rolling, and show us what you've got!