2026 Triumph TF 450-X Specs & Review

Triumph’s big-bore motocrosser arrives ready to line up with a focused chassis and a hard-hitting single. The 2026 Triumph TF 450-X specs show race-bred intent, pairing serious power with premium suspension and brakes. In this Triumph TF 450-X review, we translate the data into on-track feel and help you decide if it’s the right tool for your motos.

Key Specs at a Glance

• Displacement: 449.5 cm³
• Engine type: Single-cylinder 4-stroke SOHC
• Power: 61.5 hp (62.4 PS) @ 9,500 rpm
• Torque: 49.9 Nm (36.8 lb-ft) @ 7,000 rpm
• Wet weight: 108.3 kg (239.4 lb)
• Seat height: 960 mm (37.8 in)

Engine & Performance

At the heart of the TF 450-X is a 449.5 cm³ single with a 95 mm x 63.4 mm bore and stroke and a 13.1:1 compression ratio. Fed by a Dellorto throttle body and controlled by an Athena EMS, it puts down 61.5 hp (62.4 PS) at 9,500 rpm and 49.9 Nm (36.8 lb-ft) at 7,000 rpm. In practice, that torque peak gives you the shove to stand the bike up and drive hard out of ruts, while the revvy top end keeps you pulling down longer straights between jumps.

A 5-speed transmission and an Exedy steel wet multi-plate clutch with a Belleville spring deliver a direct, positive shift feel. The standard quickshifter helps you keep the throttle pinned, and launch control makes gate drops more repeatable. Traction control and dual engine maps widen the usable window across loam, hardpack, and slick surfaces, while the 13/49 final drive biases acceleration for tight MX layouts. The single silencer keeps things compact without complicating service access.

Handling, Comfort & Triumph TF 450-X Seat Height

The aluminium spine and double cradle frame with an aluminium fabrication swingarm aims for precise front-end feel and strong drive. Up front, a KYB 48 mm coil spring fork with compression and rebound adjustment offers 310 mm of travel; out back, a KYB coil shock adds high- and low-speed compression plus rebound adjustment with 305 mm of travel. This combo gives ample support for braking bumps and big landings while letting you fine-tune for changing track conditions.

Geometry reads sharp yet stable: a 27.4° rake, 116 mm (4.6 in) trail, and a 1,492 mm (58.7 in) wheelbase. Wheel sizes are classic MX—21 x 1.6 in front and 19 x 2.15 in rear—wearing 80/100-21 and 110/90-19 tires respectively, for quick turn-in up front and strong sidewall support at the back. The handlebar width is 836 mm (32.9 in), giving good leverage for quick direction changes.

The Triumph TF 450-X seat height is 960 mm (37.8 in), tall enough to maximize ground clearance and suspension stroke without compromising body position over the front. Shorter riders will want to spend time dialing in sag to gain confidence at low speed, while taller riders will appreciate the roomy cockpit. The Triumph TF 450-X weight is a wet 108.3 kg (239.4 lb), which helps it feel lively when snapping into ruts and manageable when squaring off tighter turns. Overall height (no mirrors) is 1,270 mm (50.0 in), which keeps the center of mass feeling planted when you’re standing and attacking.

Equipment & Features

Braking hardware is serious: a Brembo twin 24 mm piston caliper clamps a 260 mm front disc, and a Brembo single 26 mm piston caliper manages a 220 mm rear disc. Modulation and power are tailored for late braking into choppy corners without overwhelming front grip. Electronic aids include launch control, traction control, a quickshifter, and dual engine maps, all working with the Dellorto throttle body and Athena EMS to keep power delivery predictable.

Fuel capacity is 7 L (1.85 US gal), ideal for motos and practice sessions. The final drive is a chain with 13/49 gearing, and the exhaust uses a single silencer. Aesthetically, the Jet Black / Pure White bodywork with the MY26 Performance Yellow graphics kit looks every bit the modern factory replica.

Who Is the 2026 Triumph TF 450-X For?

This bike is built for riders who live at the track—intermediate through expert motocrossers who want tunable suspension, strong brakes, and electronics that enhance consistency. It’s a potent platform for local races, training days, and high-intensity practice sessions. Absolute beginners may find the 960 mm (37.8 in) seat height and the 61.5 hp output intimidating, but progressing riders who value adjustability and clean, responsive power will get the most from it. The 7 L (1.85 US gal) tank underscores its focus on motos rather than long-distance trail work.

Torquepedia Verdict

The TF 450-X brings a compelling mix: a torquey, rev-happy single; KYB suspension with generous adjustment and travel; and Brembo brakes you can trust when you dive deep into corners. The electronics suite—launch control, traction control, quickshifter, and dual maps—adds a modern edge without complicating setup, and the 108.3 kg (239.4 lb) wet weight keeps the chassis lively.

On the flip side, the tall 960 mm (37.8 in) seat height won’t suit everyone, and the 7 L (1.85 US gal) tank keeps the focus squarely on moto-length sessions. Still, judged on the core of what matters for MX—power delivery, suspension quality, braking, and adjustability—the 2026 Triumph TF 450-X specs make it a serious contender in the 450 class.

FAQ

• Is the 2026 Triumph TF 450-X good for beginners? It’s manageable for determined learners but best suited to intermediate and experienced riders due to its 61.5 hp output and 960 mm (37.8 in) seat height.

• What is the seat height of the 2026 Triumph TF 450-X? 960 mm (37.8 in).

• How heavy is the 2026 Triumph TF 450-X? Wet weight is 108.3 kg (239.4 lb).

• How much power and torque does it make? 61.5 hp (62.4 PS) at 9,500 rpm and 49.9 Nm (36.8 lb-ft) at 7,000 rpm.

• What electronics and braking does it have? Launch control, traction control, a quickshifter, and dual engine maps, plus a Brembo twin 24 mm piston front caliper with a 260 mm disc and a Brembo single 26 mm piston rear caliper with a 220 mm disc.