Carbon+Grit looks at the latest bikes tools for the home and professional bike mechanic. Tool Box Wars™ Worthy? On occasion you will hear us mention Tool Box Wars™. The #toolboxwars jokingly started with World Cup mountain bike mechanics a few years ago. For years, these race mechanics have had impressive bike tools with killer setups with great thought put into efficiency, ease of transport and self-sufficiency. A battle is brewing on Instagram, and if you’re a tool nerd (like us), it’s worth checking out.