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

Rear Brakes 230mm fixed disc, floating caliper, ABS

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

Wet Weight 375 lb (170kg)

Fuel capacity 3.43 US gal (13 litres)

Wheelbase 54.21 in (1377 mm)

Seat Height 31.10 in (790 mm)

Height 3.5 in

Width 2.7 in

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

Transmission 6 speed

Drive Method Chain

Cooling Liquid cooled

Cylinders 1

Engine Config Single-cylinder

Stroke 4-stroke

Displacement 398.15 cc

Start Type Electric

Engine Type Single-Cylinder

Engine Cycles 4-Stroke

Fuel Type Gas

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