Triumph Speed T4(350): Complete Specifications

The modern classic segment just got a compelling new contender. Priced from ₹2,08,971 (ex-showroom), the Speed T4 is positioned as the perfect gateway into the world of Triumph ownership, blending timeless British design with contemporary engineering.

Let’s dive deep into every specification, feature, and detail that makes the Triumph Speed T4 a standout in its class.

Engine & Transmission

At the core of the Speed T4 lies Triumph’s proven TR-Series single-cylinder engine, tuned here for a more relaxed and torque-rich character.

Feature	Specification
Engine Type	Liquid-cooled, 4-valve, DOHC, single-cylinder
Displacement	349.0 cc
Bore x Stroke	89.0 mm x 56.1 mm
Compression Ratio	12.1:1
Max Power	29 PS / 21.33 kW @ 7,500 rpm
Max Torque	31 Nm @ 5,500 rpm
Fuel System	Bosch electronic fuel injection with manual throttle control
Exhaust	BS6 OBD2B compliant
Clutch	Wet, Assist & Slipper (A&S), multiplate
Gearbox	6-speed
Final Drive	102 Links Endless O-ring chain

Chassis, Suspension & Braking

Triumph has equipped the Speed T4 with a well-engineered chassis and high-quality suspension components that promise neutral, confidence-inspiring handling.

Feature	Specification
Frame	Hybrid spine/perimeter, tubular steel, bolt-on rear subframe
Swingarm	Twin-sided, cast aluminium alloy
Front Suspension	43 mm conventional fork, 140 mm wheel travel
Rear Suspension	Gas monoshock RSU with external reservoir and preload adjustment, 120 mm wheel travel
Front Wheel	Cast aluminium alloy, 10-spoke, 17 x 3 in
Rear Wheel	Cast aluminium alloy, 10-spoke, 17 x 4 in
Front Tyre	110/70-17
Rear Tyre	140/70-17
Front Brake	Single 300 mm fixed disc, ByBre™ two-piston floating caliper, ABS
Rear Brake	Single 230 mm fixed disc, ByBre™ single-piston floating caliper, ABS

Dimensions, Weight & Ergonomics

One of the Speed T4’s biggest strengths is its accessibility. Triumph has paid special attention to ergonomics, making it a comfortable fit for riders of varying heights and experience levels.

Feature	Specification
Width (Handlebars)	827 mm
Height (Without Mirror)	1,098 mm
Seat Height	806 mm
Wheelbase	1,406 ± 10 mm
Rake	24.2°
Fuel Tank Capacity	13 litres
Wet Weight	180 kg

Instrumentation & Features

Feature	Specification
Instrument Cluster	Dual format (Analog + Digital)

The Speed T4 retains a classic dual-format instrument cluster combining an analog tachometer or speedometer with a digital display for essential readouts. This stays true to the modern classic ethos while delivering the information a modern rider needs.

Fuel Efficiency & Emissions

Feature	Specification
CO2 Emissions	72.8 g/km
Compliance	Bharat Stage VI (BS6 OBD2B)

Note: Fuel consumption figures are derived from specific test conditions as per regulation AIS137 Part 1 and are for comparative purposes only. Real-world figures may vary.

Service & Maintenance

Feature	Specification
Service Interval	10,000 miles (16,000 km) / 12 months (whichever comes first)

Triumph’s generous service intervals mean lower ownership costs and more time spent riding rather than waiting at the service center.

Color Options

Based on the official imagery, the Triumph Speed T4 2025 is expected to be available in several striking color schemes:

• Baja Orange (Black and Orange two-tone)

• Red / Silver two-tone

• Blue / Silver two-tone

• Black / Silver two-tone

• Solid Black

Price

Variant	Ex-Showroom Price
Triumph Speed T4 2025	From ₹2,08,971

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