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Description
woom bike mountainbike Woom Original 4 microSHIFT 20" Bike — PlaytriThe 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 makes longer adventures on two wheels child's play. An innovative and ultralight 20" children's bike with 7 gears designed for all round
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 makes longer adventures on two wheels child's play.
An innovative and ultralight 20" children's bike with 7 gears designed for all-round use by children aged 6 years and over.
Age: 6 - 8 years
Height: 45 - 50″
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
- LEGGIE Kickstand pre-installed
Wheels
- Ultralight SOOPA DOOPA HOOPS aluminum rims
- Aluminum hubs with sealed bearings and mounts for woom click-on fenders
- Quick-release skewers for easy installation and removal
- 20 lightweight, stainless-steel spokes, double-crossed spoking
Tires
- 20 x 1.4″ Schwalbe Little Joe folding tires – woom edition
- High-quality, light tires for low rolling resistance and maximum grip
- Schrader (car-type) valves
- Reflective striping on tire sidewall for optimal visibility even in low-light conditions
Stem
- Lightweight stem made out of forged aluminum
- 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
Handlebars
- Wide, ergonomically adapted, light aluminum bars offer more control
- Sandblasted and black anodized
- Width: 54 cm
Grips
- woom Ergogrip – designed specifically for kid’s hands
- Ergonomically formed gripping surface, non-toxic
- Handlebar ends with extra-large diameter for greater protection
- Screw-in grips ensure secure attachment to handlebars
Drive
- 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
Gears
- 7 speeds
- microSHIFT MS29 twist shifter
- microSHIFT M21SS rear derailleur
Fork
- Light unicrown fork made out of aluminum
- 1″ shaft
- Generous trail angle for easy handling
Headset
- Fully integrated 1″ headset
- Sealed industrial bearings
- Integrated ahead clamp
Seat
- Ergonomically designed to fit children's pelvis
- Non-toxic
- Side protection to lean against walls
Seatpost
- Anodized aluminum seatpost
- Minimum insertion point marked, plus integrated guide in seat tube
Seatpost clamp
- Secure aluminum seatpost clamp eliminates risk of turning/twisting
- Extra-long quick-release skewer makes it easier for kids to release and close
Brakes
- Two independently operated V-brakes with braking power adapted for children
- Brake levers are ergonomically adapted, reach-adjustable, and suitable for kid’s hands
- High-quality Jagwire cables provide reduced friction and smooth performance
Enclosed tools
- 15 mm spanner for pedals
- 5 mm hex key for stem
Weight
- 7.7 kg / 16.9 lbs (without pedals)
Weight limit
- 155 lbs (70 kg)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Baki in English!
Format: Paperback
Long awaited! I started getting into Baki about five years ago and since then I've been fully caught up in the series, but I've always wished for volumes to be printed in English so I could have something official and to put on my shelf.
As for the actual product, they did an amazing job putting together an amazing volume! High quality, easy to read, paper itself feels really nice, saw in the details it's actually printed in Japan, so that's cool. Cover is very striking, same for the spine, it'll stand out in your shelf.
That being said, I'm so happy we finally got official Baki volumes in English, it's a dream of mine come true! Will be ordering more volumes.
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Reviewed in the United States on March 4, 2026
★★★★★ 5
Excellent volume
Format: Paperback, Format: Paperback
I love this volume. It was well done with high quality paper and also has the colored pages of the original Japanese version. I'm not a fan of slip covers, and i feel the same for this volume. The actual cover looks kinda plain and uninspired, but the slip cover looks great (it's done in the art style of later volumes). I do like the texture of the slip cover and i wish it was the actual cover- that's my only complaint. Besides the great paper quality, the pictures are very clean, i forgot how good the art actually is- it's much better on paper than online! The pictures i took don't do it justice! If you're a Baki fan (or if you like martial arts manga in general) i would definitely recommend.
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Reviewed in the United States on February 19, 2026
★★★★★ 5
BUY THE BOOK DONT HESITATE AMAZING
Format: Paperback, Format: Paperback
Amazing book recommend no problems definitely a great buy
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Art
Format: Paperback
Great
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Reviewed in the United States on March 17, 2026
★★★★★ 5
TAL CUAL LO QUE SE PIDIO
Format: Paperback
LLEGO EN EXCELENTE ESTADO, AME LA EDICION
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Reviewed in the United States on February 28, 2026