Authentic to the streets

We started with AMS, but now we will continue our oddysey with the RTD! Built for comfort and style, the RTD delivers both and more. Included with extra suspension, the RTD makes it feel like you’re riding the clouds. This in combination with it’s cool and unique design, magnificent reliability and it’s mind boggling speed and power, it has been dubbed “The Wingman”.

STYLE: Merging comfort, reliability and power with our distinctive design makes this bike the best option for anyone looking for a satisfying ride. Complete with an extra-longseat-base, 20″ wheels, though Aluminum frame, full suspension, powerful 1200 lumen LED headlight and LCD illuminated display, this e-bike makes any trip go as smooth as butter.

EASY HOME ASSEMBLY: Every Bike is delivered with a usermanual including easy-to-build-at-home instructions (including link to online guide), bike registration and warranty.


25 k/ph


up to 140 km
on a full battery


fully charged
4 to 6 hrs


32 kg

Details Knaap RTD

LED Lightning

The bike has built-in LED lighting at the front and
back. The headlight is huge and awesome for lighting up the road on a dark night.

For safety and better visibility.

1200 Lumen.

Low power use.

LCD Display With Illumination

The C961 LCD Display is especially designed for electric bicycles.

It shows the consumption of the battery, indicates the speed and the mileage.

High-quality materials.



Aluminium frame

The frame is made of aluminum and fits one or two people. Foldable footrests are mounted on the frame, so you can also sit comfortably on the back.


Maximum load: 150 kg.

Comfort saddle

A unique long seat base provides enough room for two adult passengers.

Scratch resistant.

Seat height: 83 cm.

Adjustable up to 5-10 cm higher.
(with height adjustment accessory)

Adjustable up to 5-10 cm higher.
(with height adjustment accessory)

Removable battery

Easy plug-and-charge battery giving you the freedom  and peace of mind to enjoy an impressive assisted distance of up to 140 kms on a fully charged battery.

Empty to full: 4 to 6 hrs.

36V 21Ah Samsung Lithium-ion.

Anti-theft lock.

20" tires

The thick tires allow you to tackle all kinds of different terrains and get through everything. This way you will not be bothered by dunes, beaches or mud.

Innova – Urban comfort.

Puncture proof.

Slick, 20"x 4".

Hydraulic braking system

The Tektro mechanical disc brakes with fully integrated hydraulic handbrakes deliver precision stopping power in all weather conditions.

Tektro mechanical disc brakes.

Front and rear.


Brushless motor

This motor delivers a power of 250W with a 36 Volt power supply. One of the world’s leading e-bike motors that ensures a quiet but powerful ride of up to 25km/h with five levels of power assist.

Bafang rear hub motor.

Low maintenance.

Long life.

Shift gear system

The bike is equipped with a Shimano 7-speed derailleur. Enabling you to glide through gear changes with comfort and ease. 

Shimano 7 speed.

Thumb shifter.

Shimano transmission system.

RTD ONLY: Front fork

The RTD has impeccable front wheel suspension, making for an amazingly smooth ride.

Adjustable Suspension Fork.

Aluminum alloy.

Extreme comfort.

RTD ONLY: Frame suspension

The frame suspension gives great comfort for anyone sitting on the Knaap Bike; driver or passenger. This is why riding the RTD is an enjoyable experience while you look good doing it!

Suspension spring.

Aluminum alloy.

Extremely durable.


Length: 172 cm
Width: 68 cm
Height: 83 cm
Distance: max. 140 kilometer
Speed: max. 25 kilometer per hour
Display: C961 LCD screen
Engine: Bafang rear hub motor, 250 watt
Battery: 21Ah Samsung Lithium-ion
Wheels: Slick Street tires 20”x 4”
Charging time: 4 to 6 hours
Weight: 31 kg
Maximum load: 150 kg
Brakes: Hydraulic Tektro brakes
Sensor: torque sensor
Gears: 7-speed Shimano
Unisex: Suitable for male and female adults