Triumph Speed Twin 1200 2021 vs. Triumph Street Twin 2019

The Triumph Speed Twin 1200 model year 2021 and the Triumph Street Twin model year 2019 are both naked bikes from Triumph, but they have some notable differences in their technical specifications and strengths.

Starting with the engine and drive train, both bikes have an in-line crankpin offset engine type with liquid cooling and fuel injection systems. However, the Speed Twin 1200 has a more powerful engine with 100 HP compared to the Street Twin's 65 HP. The Speed Twin also has higher torque at 112 Nm compared to the Street Twin's 80 Nm. Additionally, the Speed Twin has a larger displacement of 1200 ccm, while the Street Twin has a displacement of 900 ccm.

In terms of suspension, the Speed Twin 1200 features an upside-down telescopic fork from Marzocchi in the front, while the Street Twin has a telescopic fork from Kayaba. Both bikes have a swing arm rear suspension with dual shock absorbers, but the Street Twin offers additional adjustment options for compression and preload. The Speed Twin has an aluminum rear suspension material, while the Street Twin has a steel material.

Triumph Speed Twin 1200 2021

Both bikes have a steel frame with a central tube design. They also have double disk brakes in the front with a diameter of 320 mm for the Speed Twin and 310 mm for the Street Twin. The brakes are equipped with four pistons from Brembo in both models. In terms of assistance systems, the Speed Twin offers advanced rider assistance systems such as ABS, riding modes, and traction control. The Street Twin only has ABS.

In terms of dimensions and weights, the Speed Twin has a front tire width of 120 mm and a rear tire width of 160 mm, both with a diameter of 17 inches. The Street Twin has a narrower front tire width of 100 mm and a rear tire width of 150 mm, with a front tire diameter of 18 inches and a rear tire diameter of 17 inches. The Speed Twin has a slightly shorter wheelbase of 1413 mm compared to the Street Twin's 1445 mm. The seat height is also higher in the Speed Twin at 809 mm compared to the Street Twin's 760 mm. The Speed Twin has a larger fuel tank capacity of 14.5 liters, while the Street Twin has a capacity of 12 liters.

Triumph Street Twin 2019

In terms of strengths, the Speed Twin 1200 is praised for its superb engine performance, quality workmanship, and material feel. It offers excellent torque in every situation and has playful handling with a good chassis and high-performance brakes. On the other hand, the Street Twin 2019 is commended for its powerful engine with lots of torque, potent chassis, strong brakes, cool looks, modern safety features, and a large range of accessories.

As for weaknesses, the Speed Twin 1200 is noted for its strong heat development under the rider, and it may be a little too petite for tall riders. It also has a larger turning circle. The Street Twin 2019's only weakness mentioned is that it may already be too modern for the retro segment.

Overall, the Triumph Speed Twin 1200 2021 offers a more powerful and torquey engine, advanced rider assistance systems, and a larger fuel tank capacity compared to the Triumph Street Twin 2019. However, the Street Twin still holds its own with its powerful engine, cool looks, and modern safety features.