Gear it up!

The woom 4 introduces children aged six years to the world of gear-shifting. The bike's seven speeds in combination with the easy-to-operate twist shifter expand the bike's range of use and increase the child's mobility. Whether they want to ride their bikes into the woods or up hills – the new-found freedom of gears make longer adventures on two wheels child's play.

Specifications

Frame

• Made from light, high-quality AA 6061 aluminum material
• Geometrically designed with 20” wheels with agile and easy handling in mind
• Low entry, lower sitting position, and forgiving steering geometry provide control and comfort
• woom Leggie kickstand pre-installed

Wheels

• Ultralight SOOPA DOOPA HOOPS aluminum rims
• 20 lightweight, super strong, stainless steel spokes, crossed spoking
• Aluminum hubs with sealed bearings and mounts for woom click-on fenders
• Quick-release skewers for easy installation and removal

Fork

• Light unicrown fork made out of aluminum
• 1″ shaft
• Generous trail angle for easy handling

Tires

• 20 x 1.4″ Schwalbe Little Joe - woom edition
• High-quality, light tires for low rolling resistance and maximum grip
• Schrader (car-type) valves
• Reflective stripes on the sides of the tires for optimal visibility even in low-light conditions

Headset

• Fully-integrated 1″ headset
• Sealed industrial bearings
• Integrated ahead clamp

Steering limiter

• Detachable rubber ring attached to the fork and frame
• Assists in steering stabilization and overturn prevention
• Designed with a breakaway feature

Stem

• Superlight stem made out of forged aluminum; 40 mm / +15°
• Adjustable height and reach mean the stem can be adjusted for optimal riding position as the child grows.
• Handlebars attached via two clamps and fixed with two 5 mm hex bolts
• Integrated headset bolt allows for easy compression adjustment

Seat

• Ergonomically designed to fit the anatomy and biomechanics of a young child
• Non-toxic
• Side protection to lean against walls

Handlebars

• Wide, ergonomically adapted, light aluminum bars offer more control
• Sandblasted and black anodized
• BMX-style high-rise bars for maximum adjustability
• 19 mm diameter grip, suitable even for very small hands
• Width: 54 cm

Seatpost

• Anodized aluminum
• Minimum insertion point marked, plus integrated guide in seat tube

Grips

• woom Ergogrip – the smallest grip of its kind
• Ergonomically formed gripping surface, non-toxic
• Handlebar ends with extra-large diameter for greater protection
• Screw-in grips ensure secure attachment to handlebars

Seatpost clamp

• Secure aluminum seatpost clamp eliminates risk of turning/twisting
• Extra-long quick-release skewer, easy to operate requiring minimal strength

Drivetrain

• Lightweight, forged 4.3" (110 mm) aluminum cranks with narrow tread (Q-factor)
• Narrow-wide chainring with 28 teeth
• Cassette with 11-28 teeth
• Narrow, flat platform plastic pedals
• Sealed cartridge

Brake

• Two independently operated mini V-brakes with braking power adapted for children
• Brake levers are ergonomically adapted, reach-adjustable, and suitable for small hands
• High-quality Jagwire cables provide reduced friction and smooth performance

Weight

• 16.9 lbs (7.6 kg)

Weight limit

• 155 lbs (70 kg)

Enclosed tools

• 15 mm wrench for pedals
• 5 mm hex key for hubs, stem, and seatpost clamp