450 SX-F Factory Edition – 2021

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Model Description

The KTM 450 SX-F FACTORY EDITION is a championship winning machine. With its development based on feedback coming directly from elite Motocross and Supercross racers, it’s the force behind the success of Red Bull KTM Factory Racing riders around the globe. A formula for victory, the 2021 KTM 450 SX-F FACTORY EDITION comes with a list of updates including KTM’s proprietary Connectivity Unit as standard, which allows every rider to explore the potential of the innovative myKTM app straight out of the showroom.

Red Bull graphic kit
Akrapovic Slip-On silencer
Connectivity Unit fitted as standard
Ability to connect to the innovative myKTM app
Factory triple clamps anodized in orange
KTM Factory wheels
Factory holeshot device in the fork guards
Orange frame
Composite skid plate
Factory seat with Selle Dalla Valle logo
Semi-floating front disc
Front brake disc guard
Orange rear sprocket
Hinson clutch cover

Model Specification

  • Engine

    Engine Type

    Single cylinder, 4-stroke


    449.9 cc


    Electric starter


    5 gears


    Wet, DDS multi-disc clutch, Brembo hydraulics

    ABS System

    Engine Management System

    Keihin EMS

  • Dimensions


    95 mm


    63.4 mm

    Ground Clearance (unloaded)

    370 mm

    Seat Height

    950 mm

    Weight (No Fuel)

    100.5 kg

  • Frame


    Central double-cradle-type 25CrMo4 steel


    5/8 x 1/4

    Steering Head Angle

    63.9 degrees

    Tank Capacity

    7 litres

  • Suspension

    Front Suspension

    WP XACT-USD, Ø 48 mm

    Rear Suspension

    WP XACT Monoshock with linkage

    Suspension Travel Front

    310 mm

    Suspension Travel Rear

    300 mm

  • Performance

    Brake System Front

    Disc brake

    Brake System Rear

    Disc brake



  • Brakes

    Front Brake Disc Diameter

    260 mm

    Rear Brake Disc Diameter

    220 mm