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A 24″ aluminum frame mountain youth e-bike with promax hydraulic disc brakes.
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Manufacturer Price
$3,799| Weight | 16.4 kg |
|---|---|
| Frame | Aluminum |
| Suspension | Hardtail, 80mm |
| Wheels | 24″ Aluminum |
| Motor | Fazua 250W 58Nm mid-drive |
| Battery | Fazua 250Wh |
| Brakes | Promax Hydraulic Disc |

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.
Very lightweight
Tool-free brake lever adjustment
Thoughtful safety features
Low step-through frame
Kickstand rattles on rough ground

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.
Makes longer and higher elevation rides accessible and more enjoyable for kids
Smooth power delivery without jolting
Highly customizable power settings via Fazua Toolbox
Kid-specific components: short-reach brake levers, kid-specific air fork, kid-specific saddle, small diameter grips, narrow q-factor, shorter cranks, flip-flop stem
Boost mode provides short burst of extra power up to 350W
Ports for internally-routed dropper posts
Tubeless ready rims and tires
Heavy for a kid's bike (34.8-36.6 lb), hard for kids to push or for parents to lift
Not ideal for super technical mountain biking or jumps over 12 inches
Battery cannot be charged on the bike; must be removed
Customizing power settings is recommended but requires computer connection
| 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 Color: Electric 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 Travel: 80mm Spring Type: Air |
| 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 Type: Rigid |
| 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 |
| Brakes | Hydraulic disc brakes by Promax, Rotor diameter front/back: 160/160 mm, Ergonomic brake levers designed for children's hands Type: Promax Hydraulic Disc |
|---|
| 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 |
| 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. |
First added 1 July
Last updated 19 July
Not listed for 314 days