The Cross Country shredder; feast your eyes on the lightest full suspension KTM Scarp yet – the Sonic comes equipped with premium components while shedding pounds. Light and nimble the Sonic is a lean-mean racing machine, performing at the top of it’s class and building itself a respectable pedigree at the highest levels of competition. By integrating unique innovations KTM is able to provide maximized pedaling efficiency, and stiffness at the drivetrain. Utilizing new UD Performance weave carbon material and lay up process we were able to reduce frame weight while improving rigidity.

The frame is based on the (SLL)→Straight–Line–Link→Technology in combination with our Rocker Blade Technology – this offers a very sensitive response to small bumps while maintaining a high absorption rate for big hits working with rider posture to keep a high pedaling efficiency. To accomplish this we deliberately set no bearing point at the dropout, which maximizes stiffness and improves bike handling. The Scarp has a race-ready profile that was realized through a more flat head tube angle, steeper seat tube angle and longer top tube combined with a shorter stem, giving it an aggressive geometry. To add the final touch to this harmonious concept, the ball bearings are bigger dimensions which results in better strength and durability.


  • Frame: Scarp 29″ UD Performance Carbon/Carbon
  • Fork: Fox Factory 32 Float SC, 3pos.R, T, Travel 100mm (RL)
  • Shock: Fox Factory Float, 3pos.Rem., Travel 90mm (RL)
  • F/R Wheels: DT Swiss XRC 1200 B/B 29″, Carbon /Tubeless
  • F/R Tires: Schwalbe Thunder Burt 54-622, Evo,Lsk
  • Groupset: Sram Eagle
  • Rear Derailleur: Sram XX-1 Eagle RD 1×12
  • Shifters: Sram XX-1 SL 12 Trigger
  • Bottom Bracket: Sram GXP BB-Unit Pressfit
  • Crankset: Sram XX-1 Carbon FC 34T
  • Cassette: Sram XX-1 XG1299 10-50
  • Chain: Sram XX-1 PCXX1-11
  • Brakes: Shimano XTR M9000 XC – Ice-tec Pad w/o Fin
  • Handlebar: Ritchey Superlogic Carbon 2X, flat 9°, 680
  • Stem: Ritchey Superlogic Carbon C-260 6°
  • Grip: KTM Team VLG-1692A nano
  • Headset: KTM Team B303AM drop/in-tapered, +5
  • Saddle: Selle Italia SLR Kit Carbonio
  • Seatpost: Ritchey Superlogic Carbon 1- bolt 400/30.9
  • Weight: 9.2kg



Frame Size Seattube Length Top Tube Length Seat Angle Head Angle Headtube Length Chainstay Length Wheelbase Stack Reach Standover Height BB Drop Travel Front Travel Rear
17″ 430mm 600mm 74.5° (72.2°) 70° 105mm 441mm 1.129mm 603mm 433mm 77mm 45mm 100mm 90mm
19″ 480mm 620mm 74.5° (72.85°) 70° 115mm 441mm 1.149mm 612mm 450mm 77mm 45mm 100mm 90mm
21″ 530mm 640mm 74.5° (73°) 70° 125mm 441mm 1.170mm 621mm 468mm 78mm 45mm 100mm 90mm


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