Triumph Speed Twin 1200 2019 vs. Triumph Bonneville T120 2021

The Triumph Speed Twin 1200 model year 2019 and the Triumph Bonneville T120 model year 2021 are both naked bikes from Triumph, but they have some notable differences in terms of their technical specifications and strengths.

Starting with the technical specifications, both bikes have the same engine type, displacement, fuel system, cooling system, and number of cylinders. However, the Speed Twin 1200 has a higher engine power of 97 HP compared to the Bonneville T120's 80 HP. Similarly, the Speed Twin 1200 has a higher torque of 112 Nm compared to the Bonneville T120's 105 Nm.

In terms of suspension, both bikes have a swing arm rear suspension with dual shocks and preload adjustment. However, the Speed Twin 1200 has an upside-down telescopic fork front suspension, while the Bonneville T120 has a telescopic fork front suspension.

Triumph Speed Twin 1200 2019

When it comes to the chassis, both bikes have a steel frame. However, the Speed Twin 1200 has a central tube frame type, while the Bonneville T120 has a double cradle frame type.

In terms of brakes, both bikes have double disc front brakes with Brembo brand. However, the Bonneville T120 has a slightly larger front brake diameter of 310 mm compared to the Speed Twin 1200's 305 mm. Additionally, the Bonneville T120 has double piston front brake calipers, while the Speed Twin 1200 has four-piston front brake calipers.

Both bikes are equipped with ABS as part of their advanced rider assistance systems.

Moving on to the dimensions and weights, both bikes have a similar fuel tank capacity of 14.5 liters. The Speed Twin 1200 has a front tire width of 120 mm and a front tire diameter of 17 inches, while the Bonneville T120 has a front tire width of 100 mm and a front tire diameter of 18 inches. The Speed Twin 1200 has a rear tire width of 160 mm and a rear tire diameter of 17 inches, while the Bonneville T120 has a rear tire width of 150 mm and a rear tire diameter of 17 inches. The Speed Twin 1200 has a wheelbase of 1430 mm, while the Bonneville T120 has a slightly longer wheelbase of 1450 mm. The Speed Twin 1200 has a seat height of 807 mm, while the Bonneville T120 has a slightly lower seat height of 790 mm.

Triumph Bonneville T120 2021

Now, let's discuss the strengths and weaknesses of each bike. The Speed Twin 1200 is praised for its beautiful design, low seat height, accessible and easy handling, and its 1200cc engine with 97hp, which offers a balance between ease of riding and emotional engagement. On the other hand, the Bonneville T120 is appreciated for its classic forms, superior engine performance, ergonomic fit for almost everyone, high quality of workmanship and materials, and comfortable riding experience.

However, the Speed Twin 1200 has some weaknesses, including a sharp knee angle for tall riders, a slightly rough response in Sport mode, and a squeaky rear brake during testing. On the other hand, the Bonneville T120 has a limited lean angle clearance and its chassis reaches its limits at a brisk pace.

In conclusion, both the Triumph Speed Twin 1200 2019 and the Triumph Bonneville T120 2021 are impressive naked bikes with their own strengths and weaknesses. The Speed Twin 1200 offers a powerful and easy-to-ride experience with its higher engine power, while the Bonneville T120 excels in classic design, superior engine performance, and overall comfort. Ultimately, the choice between the two will depend on the rider's preferences and priorities.