Triumph Thruxton 400 - 2026 Specifications and Reviews

The 2026 Triumph Thruxton 400 is a modern retro middleweight that appeals to riders seeking stylish, manageable performance with authentic café racer character. Its 398cc liquid-cooled engine delivers 41.4 bhp with accessible torque, making it ideal for commuters and enthusiasts transitioning to larger bikes. Known for nimble handling and vintage aesthetics, it combines classic British design with contemporary technology.

2026
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Engine and Transmission Specifications

Gearbox6 speed
ClutchWet, multi-plate, slip & assist
Final DriveX-ring chain
Exhaust SystemStainless twin-skin header system with stainless steel silencer
InductionBosch electronic fuel injection with electronic throttle control
Max Torque27.7 ft-lbs (37.5 Nm) @ 7,500 rpm
Max Power41.4 bhp (42 PS) (30.89 kW) @ 9,000 rpm
Compression Ratio12:1
Capacity398 cc
Engine TypeLiquid-cooled, single-cylinder, 4 valve, DOHC
 
 

Physical measures and capacities

Wheelbase54.2 in (1376 mm)
Seat Height31.3 in (795 mm)
Overall Length80.4 in (2042 mm)
 
 

Triumph Thruxton 400 dimensions and frame

Trail4.00 in (101.5 mm)
Rake24.5deg
Rear BrakesSingle 9.1 in. (230mm) fixed disc, single piston floating caliper, ABS
Front BrakesSingle 11.9 in (300mm) fixed disc, four-piston radial caliper, ABS
Rear SuspensionGas monoshock RSU with external reservoir and pre-load adjustment. 5.1 in. (130mm) wheel travel
Front Suspension1.7 in. (43mm) upside down Big Piston forks. 135mm wheel travel
Rear Tyre150/60 R17
Front Tyre110/70 R17
FrameHybrid spine/perimeter, tubular steel, bolt-on rear subframe

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

41.4 hp
Peak Power
6s
0-60 mph

Best For

Track40%
City75%
Cornering78%
Daily Riding65%
Touring40%
Passenger35%

Rider Profile

Best ForSuitable for newer riders as well as experienced ones seeking a light, characterful single-cylinder cafe racer for everyday fun.
PurposeBuilt for spirited weekend rides and stylish urban commuting rather than outright speed or distance touring.
Rider FitThe low seat height and compact, lightweight chassis make it approachable for shorter riders and easy to manage at low speeds.
CharacterA charismatic, torquey single with cafe-racer styling that rewards revving it out and flicking it through corners.
Not Ideal ForNot ideal for riders wanting high-speed highway touring, pillion comfort, or any off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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