The Triumph Speed 400 and Scrambler 400 X entered the lineup for model year 2024, offering an affordable launching point into Triumph ownership for new riders. Following customer requests for more off-road capability, the Scrambler 400 XC, announced in the summer of 2025, was joining the lineup for 2026. The 400 family continues to grow with the announcement of the 2026 Thruxton 400 and 2027 Tracker 400.
Both models receive a new version of the 398cc single-cylinder TR-Series engine, while the other three 400 models retain the original engine. The new TR is said to deliver 5% more peak power and has a higher rev limit with stronger top-end performance. Claimed figures are 41.4 hp at 9,000 rpm and 27.7 lb-ft of torque at 7,500 rpm (compared to 39.5 hp at 8,000 rpm and 27.7 lb-ft at 6,500 rpm for the other 400s). Triumph claims the increase is thanks to new internals like a revised camshaft profile, along with a new tune.
As the model names imply, the Thruxton is a cafe-racer-styled machine, while the Tracker is styled after flat-track bikes. Both models get a new tubular-steel main frame, but their subframes differ. The bikes also feature different suspension setups. Both get a 43mm inverted big-piston fork and a gas rear monoshock with preload adjustment. The Thruxton’s fork offers 5.3 inches of travel, while the Tracker offers a longer 5.5 inches of travel. Both have 5.1 inches of rear travel.
The Thruxton offers a sportier riding position than the other 400 models, with new clip-on handlebars that are 1.6 inches narrower and 9.7 inches lower than the Speed 400’s bar. The footpegs are more rearset, positioned 3.4 inches farther back and 1.1 inches higher. Other unique features include a shortened rear fender, a number plate hanger, an upswept sports silencer, and bar-end mirrors. Its 17-inch cast-aluminum wheels are wrapped in Pirelli Diablo Rosso IV tires. It has a seat height of 31.3 inches, a wheelbase of 54.2 inches, and a wet weight of 388 lb.
The Tracker’s riding position is highlighted by a wide handlebar that’s 0.9 inches broader and 5.3 inches lower than the handlebar on the Speed 400. The footpegs are 3.4 inches farther back and 1 inch higher. It offers sculpted knee cutouts in its tracker-styled fuel tank, as well as a fly screen, color-matched seat cowl, and twin upswept silencers. Its cast-aluminum 17-inch wheels are wrapped in Pirelli MT60 RS dual-purpose tires. The Tracker has a seat height of 31.7 inches, a wheelbase of 53.9 inches, and a wet weight of 381 lb.
Both bikes include an analog speedometer and an LCD tachometer, along with a USB-C charging port, switchable traction control, a torque assist clutch, and ABS.
The 2026 Thruxton 400 will be available in Phantom Black and Aluminum, Pearl Metallic White and Storm Gray, or Metallic Racing Yellow with Aluminum Silver starting at $6,295 and arriving to dealerships in March 2026. The 2027 Tracker 400 will be available in Aluminum Silver Gloss, Racing Yellow, or Phantom Black starting at $5,995 and arriving in April 2026.
Visit the Triumph website for more information.
Check out more new bikes in Rider’s 2026 Motorcycle Buyers Guide
Triumphs small displacement bikes really move the soul. I bought a KTM 390 a couple years back and the fun factor of these small bikes really is high. And the cool factor from Triumph is really setting the bar high.