5-year guarantee upon registration.
Inseam
Inseam
43-57 cm
Height
Height
105-125 cm
Age
Age
4 + Years
Find the right size
Find the right size

The PUKY LS-PRO FLOWMATIC 18 is the perfect companion for all children who want to learn to ride a bike or improve their riding skills. Thanks to the automatic gears, young riders can concentrate fully on balance and steering. The bike thus supports the development of coordination and self-confidence in a playful way.

Seat post
Integrated seat post with maximum extension indicator
Front wheel
18"
Rear wheel
18"
Rims
Lightweight aluminium rims
Handlebars
Wide and high handlebars made of lightweight aluminium for optimum control; reduced handlebar diameter for improved gripping and braking by small children's hands. Length can be rotated to set the optimum seating position for your child
Stem
Lightweight Ahead stem
Fork
Lightweight fork with 1 1/8 inch aluminium steerer tube
Fork material
AL6061(T6) aluminium
Paint
Powder coating: Impact-, shock- and hard-wearing; UV- and weather-resistant; free of toxins and harmful substances
Freewheel
Freewheel - crank position freely rotatable for optimum pedal position
Drive
28T / 15T for easier acceleration when pedalling/riding loose
Brake handle
Ergonomically adapted and adjustable brake levers
Side stand
Included
Max. payload
60 kg
Luggage rack
Aluminium luggage rack available as an accessory
Gear shift
2-speed automatic gear shift (Flowmatic) automatically changes to second gear from a speed of approx. 8 km/h
Saddle
Specially developed, comfortable and very light children's saddle
Tyres
18 x 1.5 tyres with a great off-road look, grip and a centre bar for quiet rolling on asphalt and paved roadsCar valves, also suitable for easy filling at any petrol station
Bell
⌀22 mm
Other Components
  • Reduced standover height
  • Upright riding position
  • narrow bottom bracket (low Q-factor)
Brake system
Standard and child-friendly V-brakes for the front and rear wheel
Adjustability
Handlebars can be rotated in length to set the optimum seating position for your childHeight-adjustable saddle

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Measuring inner leg length in three steps

But how can you measure your child's inner leg length? Quite simply:

  • Your child stands with its back against a wall wearing shoes.
  • Clamp a book between its legs with the horizontal upper edge at the crotch.
  • Now you can measure the distance from the top edge of the book to the floor with a tape measure or folding rule.

The measured value in centimetres is the inner leg length or crotch height. You can now use it to determine the right size for your child's balance bike or bicycle on our website.