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The woom EXPLORE 4 is a premium 20" children's bike built for young riders who are ready to go further, ride faster, and explore with confidence. Featuring a lightweight aluminium frame, smooth-shifting 7-speed Shimano gearing, and powerful hydraulic disc brakes, it delivers enhanced control, comfort, and all-terrain capability for every adventure. Available in woom Red, Neon Coral, Neon Pink, Jungle Green and Magnetic Blue.
The woom EXPLORE 4 is a premium 20" children's bike built for young riders who are ready to go further, ride faster, and explore with confidence. Featuring a lightweight aluminium frame, smooth-shifting 7-speed Shimano gearing, and powerful hydraulic disc brakes, it delivers enhanced control, comfort, and all-terrain capability for every adventure. Available in woom Red, Neon Coral, Neon Pink, Jungle Green and Magnetic Blue.
Woom

woom EXPLORE 4 - 20 inch Lightweight Kids Bike - Jungle Green

£535.00
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woom EXPLORE 4 - 20 inch Lightweight Kids Bike - Jungle Green

Season:2027

Brand:Woom

Code:100836-0000-2007

The woom EXPLORE 4 is designed for adventurous young cyclists who are ready to take the next step in their riding journey. Combining lightweight performance with premium components and enhanced braking power, it gives children the confidence to tackle longer rides, steeper descents, and more varied terrain than ever before.

Built around a lightweight, child-specific aluminium frame, the EXPLORE 4 delivers the responsive handling and balanced ride characteristics that woom is renowned for. Every aspect of the geometry has been developed around the needs of growing riders, creating a riding position that feels comfortable, stable, and intuitive whether cruising around the neighbourhood or heading off on family cycling adventures.

The EXPLORE 4 is equipped with a reliable 7-speed Shimano drivetrain, allowing riders to tackle hills, rolling terrain, and longer journeys with greater ease. The easy-to-operate gear shifter is designed specifically for smaller hands, helping children develop confidence with gear changes while expanding the range of routes they can comfortably ride.

One of the biggest upgrades over the popular GO 4 is the inclusion of hydraulic disc brakes. Delivering powerful, predictable stopping performance in all weather conditions, they require less hand strength than traditional rim brakes and provide excellent modulation for younger riders. Whether riding in wet conditions, descending hills, or navigating busy cycle paths, hydraulic discs provide an extra level of confidence and control.

Rolling on lightweight 20" wheels fitted with high-quality tyres, the EXPLORE 4 offers a smooth and efficient ride across tarmac, gravel paths, park trails, and family cycle routes. The larger wheel size improves stability and momentum, helping children ride further while enjoying greater confidence over uneven ground.

Every contact point has been designed specifically for young riders. An ergonomic saddle, child-sized grips, and carefully proportioned handlebars ensure lasting comfort, while the lightweight construction makes the bike easy to handle both on and off the bike.

Created for children who are ready to venture beyond the basics, the EXPLORE 4 blends lightweight performance, premium braking technology, and adventure-ready versatility into a package that inspires confidence on every ride.

Available in woom Red, Neon Coral, Neon Pink, Jungle Green and Magnetic Blue, the EXPLORE 4 combines bold styling with the premium engineering expected from one of the world's leading children's bike brands.


Key Features

  • Lightweight child-specific aluminium frame
  • 20" wheels for confident and stable handling
  • Shimano 7-speed drivetrain
  • Easy-to-use shifter designed for smaller hands
  • Powerful hydraulic disc brakes
  • Excellent braking performance in all weather conditions
  • Child-specific geometry for comfort and control
  • Lightweight alloy wheelset
  • Ergonomic saddle and child-sized contact points
  • High-quality tyres for road and light trail riding
  • Upright riding position for confidence and visibility
  • Smooth handling for growing riders
  • Suitable for everyday riding, family adventures, and bike path exploration
  • Designed for children approximately 115-130cm tall
Technical Information
  • Frame
  • Sizes
    One Size
  • Colours
    Woom Red, Neon Coral, Neon Pink, Jungle Green, Magnetic Blue
  • Frame
    Lightweight, high-quality AA 6061 aluminum with butted tubes
  • Forks and Shocks
  • Fork
    Lightweight aluminum unicrown fork / 1″ steerer tube
  • Rear Shock
    N/A
  • eSystem
  • Motor
    N/A
  • Controller
    N/A
  • Display
    N/A
  • Battery Type
    N/A
  • Battery Integration
    N/A
  • Connectivity
    N/A
  • Charger
    N/A
  • Drivetrain and Brakes
  • Brake System
    Promax hydraulic flat mount disc brakes
  • Rear Derailleur
    Shimano Tourney RD-TY200-SS
  • Front Derailleur
    N/A
  • Shifters
    Shimano SL-RV300 Revoshift twist shifter
  • Bottom Bracket
    N/A
  • Crankset
    Lightweight, forged 110 mm aluminum cranks with narrow tread (Q-factor) / Narrow-wide chainring with 28 teeth
  • Cassette
    11–28 teeth
  • Chain
    N/A
  • Cockpit
  • Handlebar
    Wide, ergonomically adapted and lightweight aluminum bars
  • Stem
    Adjustable height and reach of stem offering an optimal riding position as the child grows
  • Grips
    Ergonomic design Slim, child-specific diameter
  • Headset
    Fully integrated 1″ headset
  • Wheels
  • Front Hub
    Lightweight aluminum hubs with sealed bearings and mount for woom click-on mudguards
  • Rear Hub
    Lightweight aluminum hubs with sealed bearings and mount for woom click-on mudguards
  • Rims
    Ultralight aluminum rims
  • Front Tyre
    20 × 1.5" Billy Bonkers folding tires (Performance Line), Schwalbe
  • Rear Tyre
    20 × 1.5" Billy Bonkers folding tires (Performance Line), Schwalbe
  • Max Tyre Clearance
  • Finishing Kit
  • Seatpost
    Anodized aluminum seatpost
  • Saddle
    Ergonomically designed to fit children's pelvises
  • Pedals
    Slim, plastic platform pedals
  • Extras
  • Kickstand
    Not Included but available here - Kickstands
  • Lighting
    N/A
  • Lock
    N/A
  • Carrier
    N/A
  • Mudguards
    Not included but available here - Mudguards
  • Extras
    N/A
  • Please Note:
    Every effort has been made to ensure accuracy throughout this website. However, manufacturers reserves the right to change bike specifications, features, prices and colours without prior notice. If you would like to check the specification of a bike before purchasing, please call one of our stores.
Sizing Information

Size Guide

Frame SizeRider height (cm)
One Size115 - 130

Frame Geometry


One Size
ATyre / Wheel Size20"
BMinimum Cockpit / Handlebar Height (mm)725
Maximum Cockpit / Handlebar Height (mm)790
CFork Rake68°
DTop Tube Length (mm)448.3
EWheelbase (mm)844.9
FSeat Tube Angle72°
GMinimum Saddle Height (mm)571
Maximum Seat Height (mm)721
IHandlebar Adjustmentindividually adjustable
JStand-over Height (mm)490

Professional Opinion

The woom EXPLORE 4 represents a significant step forward for young riders who have outgrown entry-level children's bikes and are ready for more ambitious adventures. While it retains the lightweight construction and child-focused design that make woom bikes so successful, the addition of hydraulic disc brakes elevates its performance to an entirely new level.

For many children, hydraulic brakes can be a genuine game-changer. They require less effort at the lever, offer more consistent stopping power, and give young riders greater confidence when tackling faster descents or riding in variable weather conditions. It's a premium feature that's often reserved for higher-end adult bikes, and its inclusion here highlights the EXPLORE 4's performance-focused design.

Combined with the reliable Shimano 7-speed drivetrain and excellent overall fit, the EXPLORE 4 is an outstanding choice for families who enjoy riding together and want a bike that can grow with their child's abilities. It's one of the best options available for young riders looking to move beyond simple neighbourhood rides and begin exploring the wider world on two wheels.

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