CBT.BIKE/Bikes/KTM/Duke 125

Naked // Manual // 2024

KTM
Duke 125

Ready to race. At any age.

Power

15 bhp

Weight

144kg

Top Speed

82 mph

From New

£5,099

The Duke 125 is the most aggressive learner-legal bike on sale. Steel trellis frame, WP suspension, full-colour TFT, and a riding position that screams supermoto. For 2024 it also gets a quickshifter as a factory option.

Who it's for

Riders who want a proper performance bike experience and don't mind paying KTM money to get it.

Pros

  • Cornering brilliance for a 125
  • Full-colour TFT with smartphone link
  • Quickshifter option from factory
  • Steel trellis frame and WP USD forks

Cons

  • Most expensive 125 here new
  • Highest insurance group
  • KTM service costs above Japanese rivals

Full Specifications

Engine
Single-cylinder, 4-stroke, DOHC, 4-valve, liquid-cooled
Displacement
124.7cc
Power
15 bhp @ 9,500 rpm
Torque
8.9 lb-ft @ 8,000 rpm
Top speed
82 mph
Fuel economy
98 mpg
Fuel capacity
13.5 litres
Weight
144 kg (wet)
Seat height
820 mm
Transmission
6-speed manual (quickshifter optional)
Brakes
Front: 320mm disc, 4-piston ByBre. Rear: 240mm disc.
Suspension
Front: WP APEX 43mm USD. Rear: WP APEX monoshock.
Wheels & tyres
17" cast aluminium, Bridgestone Battlax tyres
ABS
Dual-channel ABS with Supermoto mode
Service interval
6,000 miles / 12 months
Warranty
2 years unlimited mileage
Insurance group
Group 12
Available colours
Electronic Orange, Atlantic Blue, Ceramic White
Price new
£5,099
Price used
£3,400 – £4,300
CBT legal?
Yes
Full-licence keepable?
No — restricted to learners

Best for

  • Spirited riders
  • Track-day curiosity
  • Style-led learners

Trivia

  • Built in India at Bajaj's facility under KTM technical oversight.
  • Shares chassis with the RC 125 and the now-discontinued 390 Duke geometry.
  • Supermoto ABS mode allows controlled rear-wheel slides.

Don't have your CBT yet?

You need a valid DL196 certificate before you can legally ride the Duke 125 on the road.

Find CBT training →