KTM Fat Rat


Highlights: special shaped tube, KTM special mountain bike frame, postmound disc connection, tapered steerer, KTM fatbike adapted rear triangle, thru axles, direct mount front derailleur, internal bowdens and cables, choice between rigid or suspension fork

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KTM Fat RatKTM Fat Rat Hard Tail

Everybody is surprised when sitting on KTM’s Fatrat for the first time. Positively surprised! With the Fatrat KTM enters the stage of fatbikes. The bike shows excellent driving attitudes despite its name. It’s like expecting a steamroller and sitting in a Porsche or Ferrari. And the bike unites the advantages of both vehicles. There’s hardly an underground or an obstacle this bike couldn’t master. Equipped with a SRAM X9 shifting and state-of-the-art technologies the bike is bursting with power. And the internal routings give an unexpected elegance to the Fatrat. Pure outdoor feeling in every season.

Model: KTM Fat rat 2×10 SRAM
WEIGHT (unpainted): Frame size 48 – 2410g
Type of construction: Aluminum mountain bike frame for 26 x 4.0″ Fat bike wheels,Smooth welded
Material: Aluminum 6061 p.g.

Pure power and still agile. That’s KTM’s first fatbike: Fatrat. A 26″special mountainbike frame with a spor ty geometry and special shaped tubes promise high stiffness on mountains,  fields or snow in every season. This is a real all-weather bike. The postmount disc connection saves the weight of an adapter and improves the brake caliper-frame connection. And a  tapered steerer for high steering precision lets you ride around any obstacle. Fur ther the frame has a special rear-triangle design to meet all requirements of a fatbike and the thru-axle in combination with the special 170mm axle offers more stiffness. You can also find a direct mount front derailleur for precise shifting and high stiffness. Enjoy to have the choice to mount a rigid or a suspension fork. Internal bowdens and cables round the allrounder, equipped with a SRAM X9 shifting system, off. KTM Fatrat – outdoor feeling – anytime.

KTM Fat Rat Tech Spec:


  • Front: 80mm


  • tapered 1.5″-1 1/8″ for integrated headset

Shifting system

  • 2 x 10 SRAM X9 shifting system

RD -Hanger

  • KTM Hanger (KTM 8920243)

BB -Se t

  • BSA with special width of 100 mm

Max. disc rotor

  • 180 mm

Type of disc mount

  • Postmount 160mm

Rear wheel mount

  • Thru Axle 12mm x 170mm

Seatpost and clamp diame ter

  • 27,2 mm / 31,8 mm

Max. tire dimension

  • 26″ x 4.0″

KTM Fat Rat Geometry



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KTM Fat Rat Delivery

KTM Bikes are built to order, if in stock we aim to have the bike dispatched within 48 hours of full payment being received fully PDi’d and ready to go. However, due to the demand for KTM Bikes occassionally stock levels can become depleated very quickly and as these bikes are built to order in the KTM Factory you may have a wait of a few weeks. If in doubt get in touch before purchasing any KTM Bikes and we will try to give you as accuarate a delivery time as possible, one thing’s for sure though… if you do have to wait you’ll be glad you did.
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KTM Fat Rat Insurance

Get your bike insured for extra peace of mind. You never know what will happen and you can buld the ideal insurance pack suited to your requirements right here

Additional information

Frame Size

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