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2024 woom

UP 5

A 24″ aluminum frame mountain youth e-bike with promax hydraulic disc brakes.
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Manufacturer Price

$3,799
Weight36.2 lbs  
FrameAluminum
SuspensionHardtail, 80mm
Wheels24″ Aluminum
MotorFazua 250W 58Nm mid-drive
BatteryFazua 250Wh
BrakesPromax Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Handling
nimblestable
UP 5
Other Mountain Youth bikes
Sizing
One Size

4'2" – 4'10"

Rider Fit Notes

None yet.

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Reviews
Downtown
The Woom GO 3 on Test – Kids’ Bikes up to 16” 2025

Aug 2025 · Jonny Grapentin

The Woom GO 3 on-test aims to make starting out easy for young riders. Weighing just 5.8 kg, it promises both comfort and control.

Highs
  • Very lightweight

  • Tool-free brake lever adjustment

  • Thoughtful safety features

  • Low step-through frame

Lows
  • Kickstand rattles on rough ground

Read Review

Two Wheeling Tots
woom UP Electric Bike for Kids Review

Jan 2024 · Natalie Martins

The ultimate eMTB for young riders, the woom UP is a highly customizable training tool to help take you grom to the next level.

Read Review

Geometry
Specs
Build
Frame

Frame material: lightweight, high-quality 6061 T6 aluminum with butted and hydroformed tubes, 24″ wheels, Easy-access low top tube to assist dismounting, Long wheelbase and low center of gravity to aid balancing, New, dropper seatpost-ready frame design, Featuring woom-specific molded chainstay protector

ColorElectric Blue

Fork

F1RST hydraulic air suspension fork with 80 mm travel, adjustable compression and rebound damping, plus lock-out, 1 – 1 ⅛″ tapered steerer tube, 100 x 15 mm thru axle, Post mount for disc brake

Travel80mm

Spring TypeAir

Headset

Fully integrated 1 – 1 ⅛″ headset, Sealed industrial bearings

Stem

Forged aluminum, CNC-machined, Handlebars attached via two clamps, Rise/drop: +/-15° with flip-flop design to adjust handlebar height, Length: 50 mm

Handlebar

Wide, ergonomically adapted and lightweight aluminum bars for more control, Tapered end to fit child’s hand, Sandblasted and silver anodized, Width: 585 mm, Rise: 20 mm

Saddle

Size specific, ergonomically designed to fit children's anatomy, Streamlined mountain-bike specific saddle design, Side protection to lean against walls

Seatpost

27.2 x 250 mm, Anodized aluminum seatpost with insertion marks that indicate the minimum insertion depth

TypeRigid

Grips

Child-friendly thanks to small diameter, Single-clamp grip to prevent twisting, Safety zone: extra rubber on palm-facing portion of grip for added comfort, 100% silicone for maximum grip

Groupset
Brakes

Hydraulic disc brakes by Promax, Rotor diameter front/back: 160/160 mm, Ergonomic brake levers designed for children's hands

TypePromax Hydraulic Disc

Wheels
Rims

Tubeless-compatible Alexrims wheelset, Aluminum hubs with sealed industrial bearings, Thru axles for maximum torsional strength (100 x 15 mm front and 135 x 12 mm rear), 20 spokes, double-crossed spoking, Aluminum nipples

Tires

24 x 2.35″ Schwalbe Rocket Ron with ADDIX SPEED rubber compound, Quality mountain bike tires with low rolling resistance, maximum grip, good shock absorption and excellent durability, Presta valves, tubeless conversion ready

Electric Components
Motor

FAZUA Ride 50 Trail Drivepack, 250 watt max power output/350 Watt short-term in boost function, Energy 250X battery with 250 watt capacity, 58Nm torque, Up to 15.5 mph pedal-assist, Three support modes, Removable motor and battery unit (7.2 lbs), Frame-integrated bottom bracket houses dual-sided torque and cadence sensors for natural-feeling engagement of drive system, Pairs with FAZUA Rider app to view bike data including speed, mileage, battery charge, navigation, and more.

Battery

FAZUA Ride 50 Trail Drivepack, 250 watt max power output/350 Watt short-term in boost function, Energy 250X battery with 250 watt capacity, 58Nm torque, Up to 15.5 mph pedal-assist, Three support modes, Removable motor and battery unit (7.2 lbs), Frame-integrated bottom bracket houses dual-sided torque and cadence sensors for natural-feeling engagement of drive system, Pairs with FAZUA Rider app to view bike data including speed, mileage, battery charge, navigation, and more.

Rider Notes
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First added July 1

Last updated July 19

Not listed for 314 days