170 to 176 would be the max top speed of the duke 390. If you install an aftermarket ECU like powertronics then you can expect a bit more, but I am not sure about the ECU kit.

Which bike is best between KTM 200 Duke vs Triumph Speed 400? As per the users experiences KTM 200 Duke is a winner for you if you are seriously looking for comfort in your bike. But Triumph Speed ...

Apart from the overall design, the 2025 KTM 790 Duke retains its 799cc parallel twin-cylinder engine mated to a six-speed gearbox. The gearbox gets a bidirectional quickshifter as standard.

Hero has entered the quarter-litre segment of naked streetfighters with the launch of Xtreme 250R at the Bharat Mobility Global Expo 2025.

KTM India launched the 890 Duke R in the country ... paired with a six-speed transmission. This engine belts out 128.2 bhp at 12,000 rpm and 80 Nm of maximum torque at 9,500 rpm.