The KTM 890 Duke 2021 and the KTM 890 Duke R 2021 are both naked bikes with similar technical specifications. They both have an inline engine with a displacement of 889ccm and 890ccm respectively. The engine power of the 890 Duke is 115 HP, while the 890 Duke R has a higher engine power of 121 HP. The torque of the 890 Duke is 92 Nm, while the 890 Duke R has a higher torque of 99 Nm. Both bikes have a fuel injection system and a liquid cooling system.
In terms of suspension, both bikes have an upside-down telescopic fork front suspension and a swing arm rear suspension with a monoshock absorber. The suspension components are branded by WP, a well-known suspension manufacturer. The rear suspension of both bikes has preload adjustment and is made of aluminum. The chassis of both bikes is made of chromium-molybdenum and has a tubular frame.
The braking system of both bikes consists of double disk brakes at the front with a diameter of 300mm for the 890 Duke and 320mm for the 890 Duke R. Both bikes have four-piston calipers and radial technology for improved braking performance.
In terms of advanced rider assistance systems, both bikes are equipped with ABS, riding modes, and traction control. The 890 Duke R does not have cornering ABS, launch control, ride by wire, and anti-wheelie features, which are present in the 890 Duke.
Both bikes have similar dimensions and weights. The front and rear tire widths are 120mm and 180mm respectively, with a diameter of 17 inches for both. The wheelbase of the 890 Duke is 1476mm, while the 890 Duke R has a slightly longer wheelbase of 1482mm. The seat height of the 890 Duke is 820mm, while the 890 Duke R has a higher seat height of 834mm. The dry weight of the 890 Duke with ABS is 169kg, while the 890 Duke R is slightly lighter at 166kg. Both bikes have a fuel tank capacity of 14 liters.
In terms of strengths, the 890 Duke is praised for its rev-happy engine, lively handling, buttery-smooth quickshifter, and comprehensive electronics package. It is also mentioned that the 890 Duke does not leave the rider desiring the R version on the country road. On the other hand, the 890 Duke R is praised for its high-revving and sporty engine, excellent quickshifter, great electronics package, great brakes, good chassis, and lightweight, which contributes to its driving-friendly handling.
As for weaknesses, the 890 Duke is mentioned to have a quickshifter at an extra cost, while the 890 Duke R is criticized for its cheap buttons and switches, such as the indicator switch, and slightly nervous geometry.
In summary, both the KTM 890 Duke 2021 and the KTM 890 Duke R 2021 have their strengths and weaknesses. The 890 Duke offers a great overall package with its rev-happy engine and smooth quickshifter, while the 890 Duke R provides a more sporty and performance-oriented experience with its higher engine power, better brakes, and lightweight.