Triumph have just released the first look at their updated 2021 Speed Twin. With an all new look, more power and upgraded features, check out all the changes below...

Launched in 2018, Triumph say the Speed Twin set the benchmark for how a Modern Classic performance roadster should ride and feel thanks to its class-leading handling, thrilling and responsive engine, advanced rider technology and beautiful style.

Triumph have just released the first look at their almost entirely revamped 2021 Speed Twin.

The Speed Twin has been a great success and a customer favourite. Recognised for having the power and torque of the Thruxton R in an even more accessible set up, the Speed Twin delivered the custom style and engaged ride of the Street Twin, with more premium, details and touches. Now for 2021, the Speed Twin brings an evolution in every dimension, from power and performance, to handling, technology and style.

Significantly updated for 2021, the Speed Twin’s 1200cc High Power Bonneville twin engine now has even more performance, as well as lower emissions, making it fully Euro 5 compliant. The engine now delivers 3hp more peak power with 100hp@7,250rpm, plus more power in the mid-range than the previous generation.

The 1200cc twin-cylinder engine has been updated, delivering more power and a lower torque application.

Alongside the strong and linear power delivery, the 2021 Speed Twin also has a fuller torque curve, with peak torque of 112Nm arriving 500rpm lower down the rev range compared to the previous generation.

The responsiveness of the Speed Twin engine has also been enhanced, thanks to a 17% reduction in inertia obtained via a new lightweight crankshaft and alternator. These enable the engine to spin up faster than the previous generation, and rev harder for longer, with a red line now 500rpm higher than before. In addition, new high compression pistons, revised ports and a new cam profile complete the list of performance enhancements.

A two-into-two exhaust system sings the 1200cc parallel-twin’s distinctive song while looking great on the bike.

The distinctive sound of the Bonneville Twin is amplified by the new brushed stainless steel megaphone twin upswept sports silencers, that Triumph say have been crafted for a deep, throaty roar to match the Speed Twin’s legendary name. The innovative and uninterrupted exhaust header run cleverly conceals the catalyst box, delivering the characteristic clean-line “straight-run” design.

New for 2021, the Speed Twin comes equipped with higher specification upside down 43mm Marzocchi front forks with cartridge damping, claiming to bring a more confidence-inspiring and comfortable ride with 120mm wheel travel. These are matched to the twin rear suspension units with adjustable spring preload, and 120mm rear wheel travel, both tuned for even better handling and the perfect modern roadster ride.

The rear shock has been matched to the front suspension, with the rear also having 120mm of travel.

Braking performance has been improved with new higher specification Brembo 4-piston M50 radial monobloc front brake calipers and twin 320mm Brembo discs. Alongside the Nissin 2-piston floating rear caliper with 220mm disc, and ABS fitted as standard, these deliver a stronger initial braking-bite, more feel and better fade characteristics.

Ensuring grip, precision and high-speed stability, new Metzeler Racetec RR tyres are fitted as standard for the 2021 model, along with new cast aluminium wheels, 17″ on both front and rear, with a lightweight 12-spoke design.

Ergonomics have also been updated, with a new riding position to allow for more comfort while out on the road.

The ergonomics are proportioned with an accessible 809mm seat height, a slim stand over width, tapered handlebars and a comfortable roadster foot-peg position, which are 38mm further forward and 4mm lower than the Thruxton, providing the rider with a more relaxed riding position.

UMI 650 Twin

The new generation Speed Twin is packed with rider-focused technology, including a ride-by-wire system that ensures precise throttle control and enables three riding modes: Rain, Road and Sport. These have been enhanced for 2021, adjusting both the throttle response and traction control settings to suit the rider’s preference. The riding modes can be changed at the touch of a button while on the move, to respond to any change in riding conditions, which triumph say maximises rider confidence.

A new ride by wire system allows the rider to select modes depending on the condition.

The bike is also equipped with an LED rear light and indicators, and, where market legislation permits, the signature LED Daytime Running Light (DRL) is incorporated into the headlight. The contemporary 3D clocks incorporate a digital menu system accessed by the scroll button mounted on the handlebar. This provides the rider will all of the key information, including gear position, two trip settings, fuel level and range-to-empty, as well an average and current fuel consumption, access to traction control settings and TPMS indicator if fitted as an accessory.

Other rider focused technology includes an under-seat USB charging socket, an accessory Tyre Pressure Monitoring System and an immobiliser with transponder integrated into the Triumph branded key.

Bespoke design for the tank and paint give the Speed Twin a retro appeal, along with the aluminium mudguards.

In addition to the new 12 spoke cast wheels and twin upswept sporty silencers with brushed stainless-steel headers, the Speed Twin is characterised by its signature-shaped 14.5L tank with knee indents, bar end mirrors, sculpted side panels and a bench seat.

Details and finishes are harmonised across the bike, including brushed aluminium front and rear mudguards with new mounts, plus brushed aluminium side panel finishers and heel guards. Additional touches and details can be found in the new anodised headlamp mounts to compliment the painted headlamp bowl, classic Monza fuel cap and clear anodised aluminium swingarm.


The 2021 Speed Twin is the perfect platform for personalisation with over 50 custom accessories that riders can add to enhance the style, practicality and security of their bike. These range from multi-function LED indicators, to quilted seats and luggage, knee pads, engine embellishers, head bolt covers, sump plates, heated grips and many more. All genuine Triumph accessories have been designed and developed alongside the bike itself, to the same exacting standards, to ensure perfect integration and excellent durability, and all come with the same two-year unlimited mileage warranty.

UMI 650 Twin

2021 Triumph Speed Twin Specifications

Price: TBA
Colours: Red Hopper scheme, Matt Storm Grey with yellow accents, Jet Black.
Claimed power: 98.6 bhp(73.6 kW)@7250 rpm
Claimed torque: 112Nm(59 lbft)@4250rpm
Wet weight: 216kg
Fuel capacity: 14.5L

Engine: Liquid cooled, 8 valve, SOHC, 270° crank angle parallel twin, 1200 cc, 97.6 x 80.0mm bore x stroke, 12.1:1 compression ratio, 2 into 2 exhaust system with twin silencers
Gearbox: 6 speed
Clutch Wet: multi-plate torque assist clutch

Chassis: Tubular steel, twin cradle frame
Rake: 22.3°
Trail: 91.5mm
Suspension: 43mm USD Marzocchi forks, 120mm travel(F), Twin RSUs with adjustable preload, 120mm rear wheel travel (R)
Brakes: 320mm discs, Brembo M50 4-piston radial monobloc calipers, ABS (f), 220mm disc, Nissin 2-piston floating caliper, ABS (r)
Wheels & Tyres: Cast Aluminium Alloy, 120/70–17in (f), 160/60–17in (r)

Wheelbase: 1413mm
Seat height: 809mm
Overall height without mirrors: 1097mm
Overall length: 2099mm
Overall width: 778mm

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2021 Triumph Speed Twin Gallery


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