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🚚🆓 Free shipping in HK for purchase $350 or above

Woom - ORIGINAL 4 - 20″ balance bike(age 6-8 years,115-135cm)

Woom - ORIGINAL 4 - 20″ balance bike(age 6-8 years,115-135cm)

item no.woom red:WOM-WBO4RB01/purple haze:WOM-WBO4LB01/purple blue:WOM-WBO4BB01


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Until 2026-05-01T03:00:00.000+00:00 LV6:Enjoy free Instant Baby udon-tomato&beef (6M+) upon purchase over $13,999 on selected categories

Until 2026-05-01T03:00:00.000+00:00 LV6:Enjoy free Instant Baby Congee Pumpkin-Chicken (6M+) upon purchase over $$13,999 on selected categories

Until 2026-05-01T03:00:00.000+00:00 LV6:Enjoy free Instant Baby Congee Millet Pork (6M+) upon purchase over $$13,999 on selected categories

Until 2026-05-01T03:00:00.000+00:00 LV6:Enjoy free Instant Baby Congee Scallop & Whitebait (6M+) upon purchase over $$13,999 on selected categories

Until 2026-05-01T03:00:00.000+00:00 LV6:Enjoy free Instant Baby Congee Scallop & Whitebait (6M+) upon purchase over $$13,999 on selected categories

Until 2026-05-01T03:00:00.000+00:00 LV6:Enjoy free Instant Baby Congee Spinach & Milkfish (6M+) upon purchase over $$13,999 on selected categories

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Until 2026-05-01T03:00:00.000+00:00 LV5:Enjoy free Instant Rice Shaped Pasta Tomato & Chicken (9M+) upon purchase over $$8,999 on selected categories

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🆓🚚 Free Shipping in HK for purchase $350 or above (Except specific products & Outlying Islands) on order

HK Enjoy General Delivery Services upon purchase over HK$350(except specific item&outlying islands.) on selected categories

If delivery address have stairs, please contact our CS team on order

HK$6,380.00
【Pre Order Now! Delivery after 15 working days】
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Description
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Description
The woom 4 is a 20-inch wheel bike equipped with a 7-speed gear system, making it a great companion for children during their elementary school years. It is designed for kids with a height of 115–135 cm, approximately 6–8 years old. Featuring an adjustable stem, it accommodates rapidly growing children by providing a better riding cockpit and posture. They can start enjoying the benefits of proper riding posture and the fun brought by the gear system.
Specifications
Frame
  • Ultra-light 6061 aluminum alloy frame
  • 20" wheels
  • Low step-over design for easy riding

Gear System
  • 7-speed
  • microSHIFT M21SS rear derailleur
  • microSHIFT MS29 shifter

Fork
  • Ultra-light aluminum alloy fork

Wheelset
  • Ultra-light SOOPA DOOPA HOOPS aluminum alloy wheelset
  • Thru-axle front wheel: 100 x 15 mm / rear wheel: 135 x 12 mm

Tires
  • Schwalbe Little Joe 20" x 1.4"

Stem
  • Ultra-light forged aluminum alloy

Saddle
  • Ergonomic design

Handlebar
  • Wide and lightweight aluminum alloy handlebar
  • Width: 540 mm

Seatpost
  • Aluminum alloy seatpost
  • Features a minimum insertion marking

Grips
  • Ergonomic design

Drivetrain
  • Ultra-light forged 110 mm aluminum alloy crank with 28T
  • Rear cassette: 11–28T

Brake System
  • Front and rear V-brakes
  • Ergonomic brake levers

Included Tools
  • 15 mm wrench for front wheel and pedals
  • 5 mm stem wrench

  • Weight: 7.7 kg (without pedals)
  • Weight Limit: 70 kg
Innovative frame
The superlight aluminum frame is the heart of the balance bike, ensuring a fun and safe riding experience. Its geometry has been specifically designed for toddlers, with a low entry making it easy for even the youngest of riders to hop on and roll away. Thanks to the long seatpost and open seat tube the bike can be adjusted over a broad range to accommodate your growing child.
Handy footrest
Our SURFBOARD footrest made from premium maple plywood allows your child to put up their feet and feel like they're surfing the clouds on the back of their balance bike. Thanks to the ergonomically optimized design, your child has plenty of legroom to run and glide. The grip tape surface prevents unscripted slips from occurring. This is riding a balance bike at its best!
Child-specific hand brakes
Your child will immediately be able to spot the all-important rear brake – it's bright green! This color code system prevents them from mixing up the brakes, making for a safer ride. The specially designed brake lever is easy for small hands to operate and requires little strength to bring the bike to a safe stop. This, along with the ergonomic grips, makes braking child's play.
Knee-friendly stem
Our stem ensures a safe and lightweight connection between the handlebars and the headset. The sleek, rounded design, integrated handlebar clamp and recessed clamp bolts make it truly knee-friendly.
Flexible steering limiter
Our specially developed steering limiter is a vital safety feature. It prevents the handlebars from overturning and helps children ride straight, which reduces the risk of accidents.
Ergonomically formed saddle
The saddle is one of the most important points of contact between the child and the bike. It significantly affects the feeling when riding. That's why our saddle is designed to be a perfect fit for the pelvis of children in this age group and optimized for an upright riding position. Its scooped design is engineered to provide continuous optimal support for your child. In short, these features make our saddle the ultimate all-rounder for every position – whether your child is sitting, standing or cruising at speed.

Please note that as we work with various suppliers, the actual saddle on your woom bike may vary slightly from the images shown.
All-round capable tires
Tires have a major influence on how a bike handles. That's why we've chosen high-quality, lightweight and grippy tires with low rolling resistance for the woom ORIGINAL 1 PLUS. This ensures smooth running and good grip whatever the terrain – whether paved, gravel or dirt roads. The reflective stripe on the tires' sidewall also ensures optimum visibility even in low-light conditions.
Smartly engineered wheels
A bike needs really good wheels to get rolling. So that's exactly what we've given our bikes. What makes a woom wheel so unique is the sum of its parts: from the smooth-rolling hubs to the high-quality stainless steel spokes and our exclusive SOOPA DOOPA HOOPS rims. The extra narrow hub on the rear wheel ensures masses of leg clearance while riding.

*Please refer to the actual item as it is subjected to error due to manual measurement.
*The image is for reference only, please refer to the actual product.
*Any minor color difference varies from the product photos may be due to the lighting for photo shooting, the resolution of the display monitor or personal perception, please refer to the actual product.
*The factory serial number on the product must be kept intact and must not be removed, altered, or defaced. Any absence of or damage to the serial number may result in the invalidation of the warranty and related entitlements.
Shipping & Payment

Delivery Options

  • General or Dedicated Delivery Service (Installation is not included, delivery date and time will be arranged by the designated service provider.)
  • Self Pick Up Service (Approximately 7-10 working days, pre-order products may extended delivery times.)
  • Macau Delivery - SF Express

Payment Options

  • Credit Card
  • Apple Pay
  • American Express
  • Alipay (HK)
  • WeChat Pay
  • Google Pay

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