MY18 Street Twin

Tech Spec

The Street Twin arrives with unique character and a charismatic engine, packed into the core with power and torque to give the rider a thrilling ride. Instantaneous throttle response via the ride-by-wire fuel injection, every twist of the throttle is exhilarating.

Contemporary style, sharp and clean design to refine classic. From the grips to the tyres, each part is made up of the high-quality parts and passion we've come to expect from a new Triumph release.

Inside you'll find an all-new 900cc 'high torque' 8-valve, parallel twin engine,  a pin-point accurate throttle and an immaculately smooth, linear power delivery through the smooth six-speed gearbox.

Similar to the Bonneville T120, the smooth Cranberry Red colour boasts proudly of the deep scheme of style in this motorcycle, from the stripped-back look to the central leader headlight, it's quality from top to bottom. 


The unique character of the Street twin comes to life through the all new 900cc ‘high torque' 8 valve, parallel twin engine.

As the name suggests it delivers a massive peak torque figure of 80Nm at a low 3200 rpm - an amazing 18% more than the previous model, delivered low down and across the whole rev range.

Benefiting from the pin-point accuracy and instant throttle response of Triumph’s next generation ride-by-wire fuel-injection and engine management system, the Bonneville Street Twin is engineered with a charismatic 270° firing interval for an immaculately smooth, linear power delivery through the smooth 5-speed gearbox.


A contemporary take on the original Bonneville silhouette, the new Street Twin has sharp, refined striped back styling, inspired by the New Wave Custom Scene. Clean lines and minimal bodywork for a youthful overall look.



The contemporary safety standard, Triumph's variable anti-lock braking system brings a new level of control to the Street Twin.


The Street Twin's electronic ride-by-wire system enhances throttle control, responsiveness, safety and feel.


Taking advantage of the sophisticated ride-by-wire system the Street Twin incorporates a switchable traction control system that optimises the delivery of its class leading torque.


Bringing a light touch and feel to the clutch control of the Street Twin, the new slip assist clutch system makes it easy to ride, and ride longer.


A security device that integrates a transponder into your key, linked to a receiver in the ignition system, that prevents the engine from running if the correct key isn't used.


The new Street Twin switchgear presents a simple fingertip control scroll button for easy access to the key features on the new digital clock.


New LED real lights, incorporated into a stripped back and stylish tail set-up, bring a distinctive signature light pattern and power efficiency for long term durability.


The Street Twin's stylish feature-packed single clock cleverly incorporates a digital menu system accessed by a handlebar mounted scroll button. Key features include: Gear position indicator, odometer, two trip settings, service indicator, range to empty, fuel level, average and current MPG, clock, access to turn off traction control and ABS features.


An underseat USB socket is provided so you can charge up your essential devices. USB socket is provided so you can charge up your essential devices.


The new Street Twin delivers a class defining riding experience through an all new chassis and suspension design delivering refined, modern-day intuitive handling on real roads in the real world. Combining Triumph's signature ride dynamic of neutrality, agility and stability with advanced levels of comfort and control, for an engaging, easy-going and fun riding experience.


With the launch of our new Bonneville accessories range, with over 150 new stylish and high quality parts for the new Street Twin alone, it's never been easier to create your own special. This includes new exhausts from Vance & Hines and a garage full of custom inspired parts, from tail tidy to bench seats and beautiful compact bullet indicators to name only a few.


Engine Type

Liquid cooled, 8 valve, SOHC, 270° crank angle parallel twin

Displacement CC


Bore X Stroke

84.6 mm x 80 mm

Compression Ratio


Max Power Output

55 PS / 54 BHP (40.5kW) 5900rpm

Max Torque

80 Nm 3230rpm

Fuel Tank Capacity

12 L

Transmission Type



1415 mm

Seat Height

750 mm

Kerb Weight

198 kg

Tyre Size Front


Tyre Size Rear

150/70 R17

Brakes Type Front

Single 310mm disc, Nissin 2-piston floating caliper, ABS

Brakes Type Rear

Single 255mm disc, Nissin 2-piston floating caliper, ABS

Street Twin, Cup & Scrambler £1000 clothing & accessories voucher


OFFER ENDS 31/12/2018

The Street Twin is our most contemporary, fun and accessible Bonneville for today’s rider. With it’s unique character, distinctive sound, stripped back styling and dynamic riding experience the Street Twin is the perfect Bonneville for today’s rider.

Also available at 9.9% APR Representative is the Street Scrambler, born for freedom and fun, and better in every way, and Street Cup, the stunning stripped back ‘street racer’ with attitude and style.

You can use your £1,000 clothing & accessories voucher to purchase official Triumph Clothing and Accessories to complete your new classic look. 

See the Representative example below or you can calculate a personalised quote using our TriStar website.

REPRESENTATIVE EXAMPLE Based on Street Twin @ 5,000 miles per annum.

£99.00 per month.
Plus deposit and Optional Final Repayment

Cash Price £7,800.00
Total Deposit £1,789.56
Monthly Repayments of £99.00
Agreement Duration 37 months
Purchase Fee** £10.00
Total Amount of Credit £6,010.44
Optional Final Payments £3,905.00
Total Amount Payable £9,258.56
Interest Rate (Fixed) 9.42%
Representative APR 9.9% APR

OTHER FINANCE EXAMPLES: Over 37 months @ 5,000 miles per annum.

Model Street Cup Street Scrambler
Cash Price £8,800.00 £9,000.00
36 Monthly Repayments £109.00 £109.00
Deposit £1,972.83 £2,062.86
Total Amount of Credit £6,827.17 £6,937.14
Purchase Fee** £10.00 £10.00
Optional Final Repayment £4,580.00 £4,727.00
Total Amount Payable £10,476.83 £10,713.86
APR 9.9% APR 9.9% APR

**Purchase Fee included in Optional Final Repayment


Credit is subject to status and is only available to UK residents aged 18 and over. Triumph TriStar is a trading style of Black Horse Ltd. St William House,
Tresillian Terrace, Cardiff, CF10 5BH. Finance figures are subject to change.

With TriStar Personal Contract Purchase you have the option at the end of the agreement to: (1) Return the Triumph and not pay the Optional Final Payment. If the Triumph has exceeded the maximum agreed mileage a charge of 6p plus VAT will apply per excess mile. If the Triumph is in good condition (fair wear and tear accepted) and has not exceeded the maximum agreed mileage you will have nothing further to pay. (2) Pay the Optional Final Repayment to own the Triumph or (3) Part exchange the Triumph subject to settlement of your existing finance agreement; new finance agreements are subject to status.


Enquire about this offer