The LANKELEISI KETT-8 has a 250 W rated motor, a 48 V 20 Ah battery and front and rear suspension. The manufacturer claims a range of up to 150 km in the most economical assistance mode. Wide tyres and adjustable suspension make it an interesting option for roads and unpaved surfaces.
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Motor and pedal assistance
The motor has a rated output of 250 W and a peak output of up to 1,130 W. Peak power is available under higher loads, such as during acceleration or climbing; it is not delivered continuously.
Pedal assistance is controlled by torque and cadence sensors. The torque sensor measures the force applied to the pedals, while the cadence sensor tracks how quickly they turn. Together, they help adapt motor assistance to the rider’s pedalling.
The stated maximum speed is set at 25 km/h, with an option to unlock it to 48 km/h. A higher setting may affect the bike’s legal classification and the conditions under which it can be used on public roads. Check the applicable rules and safety implications before changing the setting.
Battery and range
The battery uses Samsung 21700 cells. Its 48 V voltage and 20 Ah capacity provide 960 Wh of energy.
The manufacturer claims a range of up to 150 km in the economical PAS1 assistance mode and approximately 70 km with the stronger PAS5 assistance. These are estimates: actual range depends on factors including the route profile, rider weight, surface, wind, temperature and how much the rider pedals. On a longer trip, it may be useful to select a lower assistance level and save higher assistance for more demanding sections.
Gearing and display
The eight-speed Shimano M310 drivetrain has a 48-tooth chainring, allowing riders to choose a gear to suit the terrain and their pace. Assistance can also be adjusted as needed.
A 4-inch colour LCD displays speed, assistance level, battery status and distance travelled. It has an IP64 rating for protection against dust ingress and splashing water, but it is not protected against immersion.
Suspension and tyres
The front fork has 120 mm of travel and can be locked out. It helps absorb impacts on uneven ground, while lockout can be useful on smooth sections. The rear suspension has 105 mm of travel, and an optional DNM air shock allows stiffness to be adjusted to suit the rider and route.
The 26 × 3.0-inch KENDA tyres add comfort and surface contact on gravel and forest tracks. Grip also depends on tyre pressure and the conditions on the route.
Brakes and lighting
The KETT-8 uses ZOOM four-piston hydraulic disc brakes. They allow controlled modulation of braking force, although braking performance also depends on the surface and the condition of the brakes. Pressing a brake lever cuts motor power, limiting unwanted motor thrust while braking, but it does not by itself stop the bike.
The lighting includes front and rear LEDs, turn signals and a brake light. These help make the rider visible and signal braking or a change of direction.
The KETT-8 combines a large battery, wide tyres and front and rear suspension. It is suited to longer trips as well as everyday journeys, though its range and handling will depend on the assistance mode and riding conditions.
