Rear Brakes 230mm fixed disc, floating caliper, ABS

Front Brakes 300mm fixed disc, four-piston radial caliper, ABS

Wheel Size Front Width (in): 3, Rear Width (in): 4

Wheelbase 54.21 in (1377 mm)

Width 2.7 in

Fuel capacity 3.43 US gal (13 litres)

Wet Weight 375 lb (170kg)

Height 3.5 in

Seat Height 31.10 in (790 mm)

Brochure URL https://storage.googleapis.com/revvable-prod.appspot.com/brochures/triumph/2026-speed-400-base.pdf

Drive Method Chain

Transmission 6 speed

Displacement 398.15 cc

Cooling Liquid cooled

Engine Config Single-cylinder

Cylinders 1

Stroke 4-stroke

Engine Cycles 4-Stroke

Start Type Electric

Fuel Type Gas

Engine Type Single-Cylinder

Manufacturer Triumph

Torque 27.7 lb.-ft. @ 6,500 rpm

Power 39.5 hp (40PS) @ 8,000 RPM

Front Suspension 43mm upside down Big Piston forks

Rear Suspension Gas monoshock RSU with external reservoir and pre-load adjustment

Front Tire 110/70 R17

Rear Tire 150/60 R17