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Planet X

Fat Bikes

Big Tyred Adventures


Utterly Delicious Fat Bike Fun

The Fat Bike category didn’t exist just a few years ago. Sure there were small wheeled bike with big tyres out there but there were one-off creations handbuilt for epic trips across the wilderness in the wildest of weather conditions. Since then it’s all changed. These bikes are designed to provide more smiles per mile than any other ones available!

Made for pure fun, Fat bikes roll on massive 4.0'' tires that allow you to explore terrain you have never explored before! No matter what kind of conditions you are riding in and surface you are riding on, the Fatty will provide you with an unbelievable amount of grip. Run at lower pressures, these balloons work as well as any advanced suspension system.

Give one of our Tomac and On-One Fatties a try and explore the areas you have never ridden before with a massive smile on your face! Fat Bikes don’t need suspension, they doesn’t need gimmicks, all they need are for you to love them and to ride them every chance that you get.


  • Aluminium and Carbon Framesets
  • SRAM 1X Drivetrains
  • Hydraulic Braking Performance
  • Handbuilt Wheelsets
  • 4 Inch Tyres
  • Top Flight Finishing Kit
View Range



Size & Specs

Bike frame geometry
If you're unsure about the size you need, please call our customer services team to see if we can help +44 (0)1709 38 66 66

Planet X

Fat Bikes range