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Triumph Speed Twin 900

Manufacturer	Triumph
Also called	Triumph Street Twin (until 2022)
Production	2016–present
Predecessor	Triumph Bonneville SE
Class	Naked bike
Engine	900 cc (55 cu in) parallel-twin, liquid-cooled, four-stroke
Bore / stroke	84.6 mm × 80 mm (3.33 in × 3.15 in)
Compression ratio	11.0:1
Power	64.1 hp (48 kW) @ 7,500 rpm
Torque	80 N⋅m (59 lb⋅ft) @ 3,800 rpm
Transmission	5-speed
Wheelbase	57.1 in (1,450 mm)
Weight	476 lb (216 kg) (wet)
Fuel capacity	12 L (2.6 imp gal; 3.2 US gal)

The Triumph Speed Twin 900, previously known as the Triumph Street Twin, is a naked bike, produced by Triumph Motorcycles. Introduced in October 2015, the Speed Twin 900 is assembled in Chonburi, Thailand, and is the successor to the Bonneville SE.

History

The Street Twin was presented on 28 October 2015 after four years of development. On 5 July 2022, the Street Twin was renamed the Speed Twin 900.

Specifications

The Speed Twin 900 offers a two-cylinder in-line four-stroke engine that has a displacement of 900 cm (55 cu in), equipped with a liquid cooling system, and it runs on a multipoint electronic injection system, producing a maximum power of 55 hp (41 kW) at 5900 rpm and a torque of 80 N⋅m (59 lbf⋅ft) at 3230 rpm, which is bolted to a 5-speed transmission with front engagement.

The Speed Twin 900 is built on a steel frame, and it is mounted by a 41 mm telescopic fork protected by bellows and a double-sided swingarm at the front and rear respectively. The Nissin braking system consists of a single 310 mm (12 in) disc system at the front with a two-piston floating caliper, while at the rear a single 255 mm (10.0 in) disc always with a two-piston floating caliper; both of them have ABS as standard.

In October 2018, at Intermot, an updated version of the Street Twin was presented, not only in terms of chassis but also mechanics. The engine received an update and it included more power, which was elevated from 55 to 65 hp.

References

1. "Motorradonline: Triumph Neuheiten 2016" (in German). Archived from the original on 31 October 2015. Retrieved 3 November 2015.
2. "Triumph Street Twin 2016". www.moto.it (in Italian). 28 October 2015. Archived from the original on 28 December 2022. Retrieved 17 August 2023.
3. "Triumph Street Twin Renamed Speed 900". webBikeWorld. Archived from the original on 3 February 2023.
4. "Triumph confirms rebranded Speed Twin 900 & Scrambler 900". Bennetts. Archived from the original on 9 August 2022. Retrieved 17 August 2023.
5. Rinaldi, Lorenzo (15 December 2015). "Triumph Street Twin: il test su strada" [Triumph Street Twin: The Road Test]. www.motoblog.it (in Italian). Archived from the original on 28 December 2022. Retrieved 17 August 2023.
6. "Triumph Street Twin 2016, Come Prima, Più di Prima" [Triumph Street Twin 2016, As Before, More Than Before]. www.motociclismo.it (in Italian). Archived from the original on 25 March 2023.
7. "Intermot 2018 - Triumph Street Twin, più potente e divertente" [Intermot 2018 - Triumph Street Twin, More Powerful and Fun]. www.insella.it (in Italian). Archived from the original on 28 December 2022.

External links

• Triumph Motorcycles Ltd motorcycles
• Standard motorcycles
• Motorcycles introduced in 2016