One of the earliest 'mountain biking' trails, before real mountain bikes existed, is called Repack because they were using Coaster brakes and you'd basically ha

One of the earliest 'mountain biking' trails, before real mountain bikes existed, is called Repack because they were using Coaster brakes and you'd basically have to rebiuld/repack the coaster brake hub with grease after a run due to all the heat forcing the hubs to expel.