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Woom Kids' Bikes Size Information
Here's how to measure your child's inseam as accurately as possible:
- Have your child stand up straight against a wall wearing the shoes and pants likely to be worn while riding a bike.
- Take a hardcover book and place the spine of the book (facing upward) at your child’s crotch using the same slight pressure that would be applied by a bike saddle while riding.
- Mark the edge of the book's spine on the wall in pencil.
- Measure the distance from the floor to the marking as vertically as possible using a measuring stick or tape measure — this is your child’s inseam measurement in inches.
- Compare the measurement with the minimum inseam lengths in the table below.
| Model | Rider's Inseam Range (inches) | Rider's Height Range (inches) |
|---|---|---|
| Woom 1 | 10.0 - 14.4 | 31 - 40 |
| Woom 1 PLUS | 14.8 - 18.5 | 37 - 43 |
| Woom 2 | 16.0 - 19.1 | 37 - 43 |
| Woom 3 | 19.1 - 25.2 | 41 - 47 |
| Woom 4 | 22.1 - 27.9 | 45 - 51 |
| Woom 5 | 26.4 - 32.3 | 49 - 57 |
| Woom 6 | 29.5 - 37.4 | 55 - 65 |
| Woom OFF 4 | 22.8 - 28.7 | 46 - 51 |
| Woom OFF 5 | 27.8 - 33.7 | 50 - 57 |
| Woom OFF 6 | 30.3 - 37.8 | 55 - 65 |
| Woom OFF AIR 4 | 22.8 - 28.7 | 46 - 51 |
| Woom OFF AIR 5 | 28.3 - 34.3 | 50 - 57 |
| Woom OFF AIR 6 | 30.7 - 38.2 | 55 - 65 |
| Woom UP 5 | 28.0 - 33.5 | 50 - 57 |
| Woom UP 6 | 30.9 - 37.4 | 55 - 65 |
| Woom Now 4 | 22.1 - 27.9 | 45 - 52 |
| Woom Now 5 | 26.4 - 32.3 | 49 - 58 |
| Woom Now 6 | 29.5 - 37.4 | 56 - 66 |
Description
Learning to ride a bike is as easy as one, two, three
Skip the training wheels, take on the world! The woom 2 provides kids three and up a seamless transition from a balance bike to a pedal bike without training wheels. At 12.3 lbs, the woom 2 is one of the world’s lightest pedal bikes. In no time at all, kids intuitively learn the skills they need to ride: balancing, resting their feet, and pedaling. With a woom bike, an important moment in childhood becomes unforgettable! (The woom 2 ships with a coaster brake as per CPSC requirement).
Frame
- Made from light, high-quality AA 6061 aluminum with butted tubes
- Geometrically designed with 14” wheels for easy handling, with beginners in mind
- Low entry, low sitting position, long wheelbase, and forgiving steering position all work to ensure balance, comfort, and enjoyment
- woom LEGGIE Kickstand pre-installed
Wheels
- Ultralight SOOPA DOOPA HOOPS aluminum rims
- Lightweight aluminum hubs with sealed bearings and mount for woom click-on fenders
- Installation and removal with 5 mm hex key
- 16 lightweight, super strong stainless steel spokes, crossed spoking
Fork
- Light unicrown fork made out of aluminum
- 1″ shaft
- Generous trail angle for easy handling
Tires
- Schwalbe Little Joe 14” x 1.4″ – woom edition
- Lightweight tires provide ample shock absorption, low rolling resistance and maximum grip
- Schrader (car-type) valves
- Reflective striping on tire sidewall 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°
- Knee-friendly: no protruding bolts thanks to the integrated handlebar clamp design
- Handlebars attached to stem with 5 mm hex bolt
Seat
- Ergonomically designed to fit children's pelvis
- Non-toxic
- Side protection to lean against walls
Handlebars
- Wide, ergonomically adapted and lightweight aluminum bars offer more control
- BMX-style high-rise bars for maximum adjustability
- Sandblasted and black anodized
- 19 mm diameter grip, suitable even for very small hands
- Width: 50 cm
Seatpost
- Anodized aluminum seatpost
- Minimum insertion point marked, plus integrated guide in seat tube
Grips
- Custom woom Ergogrip – the smallest grip of its kind, for small hands
- Ergonomically formed gripping surface, non-toxic
- Handlebar ends with extra large diameter for greater protection
- Screw-in grips for secure attachment to handlebars
Seatpost Clamp
- Secure aluminum seatpost clamp eliminates risk of turning/twisting
Drive
- Lightweight, forged 3.1" (80 mm) aluminum cranks with narrow tread (Q-factor)
- Beginner gearing: 18 teeth in the front and 10 teeth in the back
- Narrow, flat platform plastic pedals
- Sealed cartridge
Brakes
- 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
- Color-coordinated brakes empower children to learn which lever engages which brake
- Ships with a coaster brake installed as required by U.S. CPSC regulations.
Colors
- woom red, sky blue, woom green, purple haze, sunny yellow
Weight
- 12.3 lbs (5 kg)
Weight Limit
- 130 lbs (60 kg)
Enclosed Tools
- 15 mm wrench for pedals
- 5 mm hex key for hubs, stem, and seatpost clamp
Shipping Dimensions
- Box dimensions: 40” x 20.5” x 6.9”
Size Information
Finding the Right Size
The most accurate way to size a Woom is by your child's inseam — not their age. Here's how to measure:
Have your child stand straight against a wall in their riding shoes. Place a hardcover book between their legs, spine up, with gentle pressure like a bike saddle. Mark the top of the spine on the wall, then measure from the floor to the mark. That's the inseam in inches.
Woom Road & Street
| Model | Inseam (in) | Height (in) |
|---|---|---|
| Woom 1 | 10.0 – 14.4 | 31 – 40 |
| Woom 1 PLUS | 14.8 – 18.5 | 37 – 43 |
| Woom 2 | 16.0 – 19.1 | 37 – 43 |
| Woom 3 | 19.1 – 25.2 | 41 – 47 |
| Woom 4 | 22.1 – 27.9 | 45 – 51 |
| Woom 5 | 26.4 – 32.3 | 49 – 57 |
| Woom 6 | 29.5 – 37.4 | 55 – 65 |
Woom OFF (Mountain)
| Model | Inseam (in) | Height (in) |
|---|---|---|
| OFF 4 | 22.8 – 28.7 | 46 – 51 |
| OFF 5 | 27.8 – 33.7 | 50 – 57 |
| OFF 6 | 30.3 – 37.8 | 55 – 65 |
Woom OFF AIR (Full Suspension)
| Model | Inseam (in) | Height (in) |
|---|---|---|
| OFF AIR 4 | 22.8 – 28.7 | 46 – 51 |
| OFF AIR 5 | 28.3 – 34.3 | 50 – 57 |
| OFF AIR 6 | 30.7 – 38.2 | 55 – 65 |
Woom UP (E-Mountain)
| Model | Inseam (in) | Height (in) |
|---|---|---|
| UP 5 | 28.0 – 33.5 | 50 – 57 |
| UP 6 | 30.9 – 37.4 | 55 – 65 |
Woom Now (Urban)
| Model | Inseam (in) | Height (in) |
|---|---|---|
| Now 4 | 22.1 – 27.9 | 45 – 52 |
| Now 5 | 26.4 – 32.3 | 49 – 58 |
| Now 6 | 29.5 – 37.4 | 56 – 66 |
Warranty
UPC / Part Numbers
| Option | SKU | UPC |
|---|---|---|
| Woom Red | 100027-0068-1002 | 9120083721416 |
| Purple Haze | 100027-0068-4001 | 9120083721447 |
| Sky Blue | 100027-0068-3006 | 9120083721430 |
