Woom 4

Woom 4 is a light children's bike with a wheel diameter of 20". It weighs only 7.7 kg and is intended for children from 6 to 8 years old and 115-130 cm tall (the inside length of the leg should be at least 56 cm).

• cranks only 110 mm long with the smallest possible pedal spacing for easy pedaling
• comfortable ergonomic seat
• comfortable grips Woom Ergogrip
• intuitive rotary shift
• seat post quick release for easy height adjustment
• quick release fasteners for easy installation andwheel disassembly
• adjustable Vario stem
• Schwalbe Little Joe tires with low rolling resistance

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Frame: lightweight, high quality machined AA-6061 aluminum, seamless tubes
Fork: lightweight, aluminum with variable restriction of front wheel rotation
Main composition:fully integrated, 1" with encapsulated industrial bearings
Stem: new, aluminum 40mm / +15° with countersunk screws
Handlebars: wide, ergonomic for more BMX-style stability, diameter 19 mm, width 500 mm
Grips: Woom Ergogrip - the smallest of its kind
Drive: light forged aluminum cranks 110 mm
Pedals: plastic
Brakes: mini V-brakes with adjustable levers for small hands, soft rear and harder front brake shoes for effective braking, high quality Jagwire bowdens to reduce friction,color-coded brake levers and brake shoes for easy distinction between front and rear brakes.
Rims: ultralight aluminum Soopa-Doopa-Hoops, aluminum hubs with recessed bearings
Tires: Schwalbe Little Joe 20x1.4" with low rolling resistance and reflective tape
Saddle: age-specific ergonomic design
Seat post: aluminum with markings for minimum and maximum insertion
Shifting: Micro Shift
Number of transfers: 7
Load capacity: 70 kg