surly

  1. slump

    Predator 212 custom fat tire build

    Lots of work into this build for shiny side up 2017 and is a late post but I finally got some time to put it up here. As for the build : I custom made the fat tire bike frame from customizing a mongoose fat tire bike. I customized a girvin linkage fork by widening it out to fit 4" rim and had to...
  2. S

    All Terrain / Fat Tire

    I'd like to start a thread on All Terrain bikes (4" or better tires). We've just got our Mongoose Beast "Moto-Goosey" running but it's still has a bit more development in the works before we can hit the road. Just put a muffler with SuperTrapp disks on. Seems to work but it's a little loud...