Woom

2025 Woom GO 4

Previous used estimate

$450 - $463

Actual value depends on condition, size, and local demand.

2025 Woom GO 4

Value Guide market data · 2025 Woom GO 4

12-month projected trend

25%

Direction and magnitude, not judgment

vs. category average

3%

Holds value better than category avg

Price over time - 2025 Woom GO 4

$639$373$107MSRPMSRPYr 1Yr 2Yr 3Yr 4Yr 5Yr 6Yr 7Yr 7Yr 8Yr 9Yr 10Yr 11Yr 12Yr 13Yr 14Yr 14Yr 15Yr 16Yr 17Yr 18Yr 19Yr 20Yr 20

Values based on actual sales data. Enter your bike's specifics to get a precise valuation.

All GO model years

Compare GO 4 models

1 models

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Overview

About this bike

The superlight, versatile children's bike with 20" wheels, a safety-conscious design, BMX-style bars, and seven easy-to-operate gears for kids aged 6 and up. Kickstand included. Ready for New Adventures! The time has come for your child to learn how to shift gears! With easy twist-shifting and a child-friendly gear indicator, the GO 4 is the perfect bike to learn on. From now on, you and your child will be able to set off on longer-than-ever expeditions with uphill or downhill stretches. A whole world full of new and exciting adventures awaits!

Specifications

Subtype
20-inch
Category
Kids
Component Fork
Lightweight aluminum unicrown fork 1" steerer tube Generous trail angle for easy, well-balanced handling
Component Size
20-inch
Component Stem
Superlight stem made out of forged aluminum 40 mm/+15° Recessed clamp bolts and sleek, rounded design making the stem extremely knee-friendly Handlebars attached to the stem with two 5 mm hexagon socket bolts
Product Family
GO
Component Color
hot pink, metallic blue, metallic turquoise, vibrant yellow, woom red
Component Frame
Lightweight, high-quality AA 6061 aluminum with butted tubes 20" wheels Agile and easy handling: low entry, very low riding position and forgiving front-end geometry resulting in good control and more grins woom LEGGIE Kickstand pre-installed
Component Brakes
Two independently operated mini V-brakes requiring minimal strength for maximum braking power Ergonomic brake levers designed for small hands with short fingers and little strength High-quality Jagwire Bowden cables with low friction for smooth performance
Component Saddle
Ergonomic design Durable, waterproof and weather-resistant material
Component Headset
Fully integrated 1" headset Sealed industrial-grade bearings Integrated Ahead plug
Component Crankset
Lightweight, forged 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
Component Seatpost
Anodized aluminum seatpost with visible minimum insertion mark Integrated shim in the seat tube to stop scratching ABC marking for precise adjustment of the saddle height in relation to the handlebars
Component Shifters
7 gears with a child-friendly gear indicator Twist shifter: microSHIFT Ds45 Rear derailleur: microSHIFT M21SS
Component Handlebar
Wide, ergonomic and lightweight aluminum bars for more control BMX style with high rise for maximum adjustability ABC marking for precise adjustment in relation to the saddle height Sandblasted and anodized in black Super narrow diameter grip, suitable even for very small hands Width: 560 mm
Component Rear Tire
20 × 1.4" Schwalbe Little Joe High-quality, lightweight tires with low rolling resistance for maximum safety with minimum effort Schrader (car-type) valves allowing the tires to be pumped up at gas stations Reflective stripes for side visibility
Component Wheel Set
Ultralight aluminum rims Lightweight aluminum hubs with sealed bearings Front: fast installation and removal thanks to quick-release skewer Rear: installation and removal with 5 mm hex key 20 lightweight, super strong stainless steel spokes, double-crossed spoking
Component Front Tire
20 × 1.4" Schwalbe Little Joe High-quality, lightweight tires with low rolling resistance for maximum safety with minimum effort Schrader (car-type) valves allowing the tires to be pumped up at gas stations Reflective stripes for side visibility
Component Tape Grips
Ergonomic design Ultra slim, child-specific diameter to ensure good grip Targeted comfort zone for ultimate hand-to-bar contact Oversized ends for protection in the event of a crash Lock-on grips with integrated anti-twist clamp
Component Accessories Extras
Included tools: 15 mm wrench for pedals 4 mm hex key for stem
Crankset
Lightweight, forged 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
Seatpost
Anodized aluminum seatpost with visible minimum insertion mark Integrated shim in the seat tube to stop scratching ABC marking for precise adjustment of the saddle height in relation to the handlebars
Saddle
Ergonomic design Durable, waterproof and weather-resistant material
Handlebar
Wide, ergonomic and lightweight aluminum bars for more control BMX style with high rise for maximum adjustability ABC marking for precise adjustment in relation to the saddle height Sandblasted and anodized in black Super narrow diameter grip, suitable even for very small hands Width: 560 mm
Headset
Fully integrated 1" headset Sealed industrial-grade bearings Integrated Ahead plug
Rear Tire
20 × 1.4" Schwalbe Little Joe High-quality, lightweight tires with low rolling resistance for maximum safety with minimum effort Schrader (car-type) valves allowing the tires to be pumped up at gas stations Reflective stripes for side visibility
Stem
Superlight stem made out of forged aluminum 40 mm/+15° Recessed clamp bolts and sleek, rounded design making the stem extremely knee-friendly Handlebars attached to the stem with two 5 mm hexagon socket bolts
Accessories & Extras
Included tools: 15 mm wrench for pedals 4 mm hex key for stem
Brakes
Two independently operated mini V-brakes requiring minimal strength for maximum braking power Ergonomic brake levers designed for small hands with short fingers and little strength High-quality Jagwire Bowden cables with low friction for smooth performance
Fork
Lightweight aluminum unicrown fork 1" steerer tube Generous trail angle for easy, well-balanced handling
Frame
Lightweight, high-quality AA 6061 aluminum with butted tubes 20" wheels Agile and easy handling: low entry, very low riding position and forgiving front-end geometry resulting in good control and more grins woom LEGGIE Kickstand pre-installed
Shifters
7 gears with a child-friendly gear indicator Twist shifter: microSHIFT Ds45 Rear derailleur: microSHIFT M21SS
Tape/Grips
Ergonomic design Ultra slim, child-specific diameter to ensure good grip Targeted comfort zone for ultimate hand-to-bar contact Oversized ends for protection in the event of a crash Lock-on grips with integrated anti-twist clamp
Color
woom red
Size
20-inch
Wheel Set
Ultralight aluminum rims Lightweight aluminum hubs with sealed bearings Front: fast installation and removal thanks to quick-release skewer Rear: installation and removal with 5 mm hex key 20 lightweight, super strong stainless steel spokes, double-crossed spoking
Front Tire
20 × 1.4" Schwalbe Little Joe High-quality, lightweight tires with low rolling resistance for maximum safety with minimum effort Schrader (car-type) valves allowing the tires to be pumped up at gas stations Reflective stripes for side visibility

What to check when buying used

Inspection

Frame condition

Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.

Inspection

Drivetrain wear

Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.

Inspection

Service history

Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.

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