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Planet X

Fatty Trail

Suspension Enhanced Fat Bikes


Suspension-Equipped Fat Bike

The 'Fat Bike' category is all-new and brings you full fat fun without the weight gain. Over the years we've seen the occasional custom-built small chunky tyred bike, but nothing on the scale of our new Fat Bikes. The beauty comes from the massive air chamber in big 'fat' tyres which provides the most natural 'pneumatic' suspension. This cushioning, coupled with expertly designed fat frames, results in an ideal off-road bike.

The Fatty Trail extends the versatility of our rigid Fat Bike range by adding front suspension for the really rough stuff. Hungry for any terrain you put in front of it, the Fatty Trail uses it's Rockshox Bluto suspension fork to eat up the trail whilst you grin in awe. Made for pure fun, the Fatty Trail rolls on massive 4.0'' tyres that soak up the bumps with ease. Thanks to clever frame design and quality components, the Fatty Trail may be phat but it's no heavyweight. This is a fatty with real energy and an appetite for adventure.


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



Size & Specs

Bike frame geometry
    S/16" M/18" L/20"
A Head Angle (degrees) 67.5 67.5 67.5
B Head Tube (mm) 120 120 130
C Top Tube C-C (mm) 606 621 642
D Seat Tube Angle (degrees) 72.0 72.0 72.0
E Seat Tube C-T (mm) 406 457 508
F Chainstays /Rear Centre (mm) 450 450 450
G BB Drop (mm) 35 35 35
J Reach (mm) 405 420 440
K Front Centre (mm) 702 717 740
O Wheelbase (mm) 1145 1160 1188
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

Fatty Trail range

From £99.99
On-One Fatty Trail
All the fun of a Fatty with a trail friendly geometry that's perfectly optimised for a 120mm travel front fork.
  • Front suspension ready Fat Bike frame
  • Tapered oversized headtube
  • MTB inspired 'trail' geometry
  • Upto 4" tyres