Triumph Street Twin 2019 vs. Triumph Bonneville T120 2021

The Triumph Street Twin 2019 and the Triumph Bonneville T120 2021 are both naked bikes from Triumph, but they have some notable differences in terms of specifications and strengths.

Starting with the engine and drive train, the Street Twin 2019 is equipped with a 900cc in-line crankpin offset engine that delivers 65 horsepower and 80 Nm of torque. On the other hand, the Bonneville T120 2021 features a larger 1200cc in-line crankpin offset engine that produces 80 horsepower and 105 Nm of torque. This means that the Bonneville T120 has a more powerful engine with higher torque, providing a more exhilarating riding experience.

In terms of suspension, both models have a telescopic fork front suspension and a swing arm rear suspension with dual shock absorbers. The suspension components are provided by Kayaba for both bikes. However, the Street Twin 2019 offers adjustable compression and preload for the rear suspension, while the Bonneville T120 2021 only has preload adjustment. This gives the Street Twin more versatility in terms of suspension tuning.

Triumph Street Twin 2019

Both bikes have a steel frame, but the Street Twin 2019 has a central tube frame, while the Bonneville T120 2021 features a double cradle frame. The choice of frame design can affect the handling characteristics of the bike, with the double cradle frame providing a more classic and stable feel.

In terms of braking, both models have double disc front brakes with a diameter of 310mm. The Street Twin 2019 is equipped with four-piston Brembo calipers, while the Bonneville T120 2021 has double piston calipers. This means that the Street Twin may offer slightly better braking performance.

Both bikes come with ABS as part of their advanced rider assistance systems, ensuring enhanced safety on the road.

In terms of dimensions and weights, both models have the same front and rear tire widths and diameters. The wheelbase of the Street Twin 2019 is slightly shorter at 1445mm compared to the Bonneville T120 2021's 1450mm. The seat height of the Street Twin is lower at 760mm, while the Bonneville T120 has a seat height of 790mm. The Bonneville T120 also has a larger fuel tank capacity of 14.5 liters compared to the Street Twin's 12 liters.

Triumph Bonneville T120 2021

When it comes to strengths, the Street Twin 2019 has a powerful engine with lots of torque, a potent chassis, strong brakes, and modern safety features. It also has a cool and modern look and offers a large range of accessories for customization. On the other hand, the Bonneville T120 2021 has classic forms in their purest form, a superior engine, and ergonomics that fit almost everyone. It also boasts high-quality workmanship and materials, providing a comfortable riding experience.

However, both bikes have their weaknesses. The Street Twin 2019 may be considered too modern for the retro segment, which could be a drawback for riders seeking a more classic aesthetic. On the other hand, the Bonneville T120 2021 has limited lean angle clearance and its chassis may reach its limits at a brisk pace, potentially affecting its performance in aggressive riding situations.

In conclusion, the Triumph Street Twin 2019 and the Triumph Bonneville T120 2021 have their own unique strengths and weaknesses. The Street Twin offers a powerful and modern package, while the Bonneville T120 provides a classic and comfortable riding experience. Ultimately, the choice between the two models will depend on the rider's preferences and priorities.