Triumph Bonneville 2009 vs. Triumph Speed Twin 1200 2021

The Triumph Bonneville model year 2009 and the Triumph Speed Twin 1200 model year 2021 are both naked bikes from Triumph, but there are several differences between the two models.

In terms of engine and drive train, both bikes have an in-line crankpin offset engine type. However, the Bonneville 2009 has a lower engine power of 67 HP compared to the Speed Twin 1200 2021, which has a more powerful 100 HP engine. The torque of the Bonneville is 69 Nm, while the Speed Twin boasts a higher torque of 112 Nm. The Bonneville is air-cooled, while the Speed Twin has liquid cooling. Additionally, the Speed Twin has a larger displacement of 1200ccm, compared to the Bonneville's 865ccm.

In terms of suspension, the Bonneville 2009 features Kayaba front suspension and dual shock rear suspension. On the other hand, the Speed Twin 1200 2021 is equipped with Marzocchi front suspension and dual shock rear suspension.

Triumph Bonneville 2009

When it comes to brakes, the Bonneville has double piston front brakes from Nissin, while the Speed Twin has four-piston front brakes from Brembo. This indicates that the Speed Twin has higher performance brakes compared to the Bonneville.

In terms of dimensions and weights, both bikes have the same front and rear tire diameter of 17 inches. However, the Bonneville has a longer wheelbase of 1454mm, compared to the Speed Twin's 1413mm. The seat height of the Bonneville is lower at 751mm, while the Speed Twin has a taller seat height of 809mm. The Bonneville also has a larger fuel tank capacity of 16 liters, while the Speed Twin has a slightly smaller capacity of 14.5 liters.

Triumph Speed Twin 1200 2021

In terms of strengths, the Bonneville 2009 is praised for its stress-free handling, fine workmanship, comfortable full-length seat, sophisticated look, and 7-spoke design. On the other hand, the Speed Twin 1200 2021 is praised for its superb engine, quality workmanship and material feel, torque in every situation, playful handling, good chassis, and high-performance brakes.

As for weaknesses, the Bonneville 2009 is noted to not be built for acceleration duels. On the other hand, the Speed Twin 1200 2021 has some weaknesses, including strong heat development under the driver, being a little too petite for tall pilots, and having a large turning circle.

Overall, the Triumph Speed Twin 1200 2021 offers more power, torque, and advanced features compared to the Triumph Bonneville 2009. It also has higher-quality components such as the suspension and brakes. However, the Bonneville still has its strengths in terms of its comfortable ride, fine craftsmanship, and sophisticated design.