Triumph Bonneville T120 Black 2016 vs. Triumph Speed Twin 1200 2021

The Triumph Bonneville T120 Black 2016 and the Triumph Speed Twin 1200 2021 are both naked bikes from Triumph, but they have some key differences in terms of technical specifications and performance.

Starting with the engine and drivetrain, both bikes have an in-line crankpin offset engine type with a displacement of 1200ccm. However, the Speed Twin 1200 2021 has a higher engine power of 100 HP compared to the T120 Black's 80 HP. The Speed Twin also has a higher torque of 112 Nm compared to the T120 Black's 105 Nm. Both bikes have a fuel injection system and liquid cooling.

In terms of suspension, the T120 Black 2016 has a telescopic fork front suspension from Kayaba, while the Speed Twin 1200 2021 has an upside-down telescopic fork front suspension from Marzocchi. Both bikes have swing arm rear suspension with dual shock absorbers and preload adjustment. However, the Speed Twin 1200 2021 has an aluminum rear suspension material, which may contribute to a lighter weight and better performance.

Triumph Bonneville T120 Black 2016

Both bikes have a steel frame with a central tube frame type. The T120 Black 2016 has double disk front brakes with a diameter of 310 mm and double-piston pistons from Nissin. The Speed Twin 1200 2021 has double disk front brakes with a larger diameter of 320 mm and four-piston pistons from Brembo. Both bikes have ABS as an advanced rider assistance system.

In terms of dimensions and weights, the T120 Black 2016 has a front tire width of 100 mm and a diameter of 18 inches, while the Speed Twin 1200 2021 has a wider front tire width of 120 mm and the same 17-inch diameter. The T120 Black 2016 has a rear tire width of 150 mm and a diameter of 17 inches, while the Speed Twin 1200 2021 has a wider rear tire width of 160 mm and the same 17-inch diameter. The T120 Black 2016 has a longer wheelbase of 1450 mm compared to the Speed Twin 1200 2021's 1413 mm. The seat height of the T120 Black 2016 is lower at 785 mm compared to the Speed Twin 1200 2021's 809 mm. Both bikes have a fuel tank capacity of around 15 liters.

Triumph Speed Twin 1200 2021

In terms of strengths, the T120 Black 2016 has a high-torque engine with hardly any vibrations, strong brakes, an original look, and many original accessories. On the other hand, the Speed Twin 1200 2021 has a superb engine, quality workmanship and material feel, torque in every situation, playful handling, a good chassis, and high-performance brakes.

However, the T120 Black 2016 has some weaknesses, including poor lean angle clearance and a mediocre chassis. The Speed Twin 1200 2021 has some weaknesses as well, including strong heat development under the driver, being a little too petite for tall pilots, and having a large turning circle.

In summary, the Triumph Speed Twin 1200 2021 offers a more powerful engine, better suspension, higher-performance brakes, and some additional advanced rider assistance systems compared to the Triumph Bonneville T120 Black 2016. However, the T120 Black 2016 has its own strengths, such as its original look and many available accessories. Ultimately, the choice between the two bikes will depend on the rider's preferences and priorities.