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Petrol Motocross

Triumph TF 450-X

2026 · Maker's category: Off-Road, Motocross

Listed on an Australian source page · Specs checked 30 October 2026

Triumph's 450 cc motocross bike for 2026, with 62.4 PS, 108.3 kg wet and a 960 mm seat. A Triumph Australia offer brings it to $11,790 ride away until 31 December 2026.

2026 Triumph TF 450-X, side studio view
Image: Triumph Motorcycles Australia
Seat height
960 mm
Weight
108.3 kg
wet
Engine
449.5 cc
4-stroke
Price
$11,790
Ride away from (offer: save $4,000 on MY26 TF 450-X at participating dealers, ends 31 Dec 2026 or while stock lasts; usual from price $15,790)

Who should look at it

  • Experienced motocross riders. Triumph fits launch control, traction control and a quickshifter as standard.

Check before you buy

  • The $11,790 price is a $4,000 offer that ends 31 Dec 2026 or when stock runs out.
  • Tall 960 mm seat.
  • Competition engine: ask a dealer for the service schedule.
  • Warranty terms are not on the model page.

This is desk research from published specifications. Nobody at Dirty Bikes has ridden this bike for this page. Fit and suitability need an in-person check with a dealer.

Specifications

Numbers in brackets link to the source list. Anything a source did not publish is listed as not published; we never estimate it.

Fit and chassis

Seat height 960 mm [1]
Weight 108.3 kg [1] Basis: Wet Weight
Wheelbase 1,492 mm [1]
Front wheel 21 in, 80/100-21 [1] Front rim 21 x 1.6
Rear wheel 19 in, 110/90-19 [1] Rear rim 19 x 2.15
Front suspension KYB 48 mm coil spring fork, compression and rebound adjustable [1] 310 mm travel
Rear suspension KYB coil shock, high and low speed compression and rebound adjustable [1] 305 mm travel
Front brake Brembo, 260 mm disc, twin-piston caliper [1]
Rear brake Brembo, 220 mm disc [1]

Not published: Ground clearance.

Engine

Capacity 449.5 cc [1]
Engine type 4-stroke [1] Single cylinder, SOHC
Transmission 5-speed [1]
Fuel capacity 7 L [1]
Power 62.4 PS [1] 62.4 PS at 9,500 rpm, as published
Torque 49.9 Nm [1] at 7,000 rpm

Not published: Cooling, Starting.

Registration and where you can ride

Registration: Unknown. Check with the distributor and your state authority

The Australian page does not say whether this model can be road registered. It is a motocross competition bike.

Registration and permission to ride are separate questions. Where you can ride depends on your state or territory and the land manager. Check with the relevant authority before you ride anywhere.

Ownership

Warranty: Not published (not stated on the model page)

Sources

  1. Triumph TF 450-X (2026) · Triumph Motorcycles Australia · Australian source · checked 30 October 2026

Spot an error? Report a correction for this bike.

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