The Ultimate Guide to Buying a Kids' Bike

Whether tackling gravel, commuting to school, shredding trails or reaching peaks, the woom UP 5 kids' electric mountain bike expands their range with dynamic pedal assist and a kid-specific design.
Imported.
Best Use | Mountain Biking |
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Motor | Fazua drive system |
Motor Type | Mid-Drive |
Motor Torque (Nm) | 58 Newton meters |
Battery Type | Lithium Ion |
Battery Capacity (Wh) | 250 watt hours |
Battery Removable | Yes |
Charge Time (hrs) | 4-6 hours |
Pedal Assist Range | Up to 35 miles |
Mountain Bike Style | All-mountain |
Frame | Lightweight, high-quality 6061 T6 aluminum with butted and hydroformed tubes |
Bike Suspension | Front Suspension |
Fork | F1RST hydraulic air suspension fork with adjustable compression and rebound damping, plus lockout; 1 to 1-1/8 in. tapered steerer tube; 100 x 15 mm thru axle; post mount for disc brakes |
Fork Travel | 80 millimeters |
Crankset | Lightweight, forged aluminum 5.1 in. (130 mm) kid-specific cranks with narrow tread (Q-factor) |
Bottom Bracket | Fazua bottom bracket houses dual-sided torque and cadence sensors for natural-feeling engagement of drive system |
Shifters | SRAM NX trigger |
Rear Derailleur | SRAM NX |
Rear Cogs | 11-speed, 11-42T cassette |
Number of Gears | 11 gear(s) |
Brake Type | Hydraulic Disc Brake |
Brakes | Promax hydraulic disc brakes |
Brake Levers | Ergonomic brake levers designed for kids' hands |
Rims | Tubeless-compatible Alexrims wheelset |
Front Hub | Front hub for disc brake; 20h, 14 gauge, 100 x 15 mm; 2x bearings without quick release |
Rear Hub | Rear hub for disc brake; 20h, 14 gauge, 135 x 12 mm; alloy cassette body; 4x sealed bearings without quick release |
Wheel Size | 24 inches |
Tires | Schwalbe Rocket Ron with ADDIX SPEED rubber compound |
Tire Width | 2.35 inches |
Handlebar Shape | Riser Bar |
Handlebar | Wide, ergonomically adapted and lightweight aluminum bars for more control; tapered ends to fit kids' hands; sandblasted and silver anodized; 585 mm wide; 20 mm rise |
Stem | Forged aluminum and CNC-machined; handlebars attached via 2 clamps; +/-15-deg. rise/drop with flip-flop design to adjust handlebar height; 50 mm length |
Seat Post | Anodized aluminum seatpost with quick-release clamp and insertion marks to indicate the minimum insertion depth; 27.2 x 250 mm |
Saddle | Ergonomically designed to fit kids' anatomy; streamlined mountain-bike specific saddle design with side protection to lean against walls |
Pedals | Black flat pedals made from fiber-reinforced nylon; 2 x 6 pins; chromoly axle |
Headset | Fully integrated 1 to 1-1/8 in. headset with sealed industrial bearings |
Chain | KMC X9 NPGY 1/2 in. x 11/128 in. |
Weight | 35 lbs. 4.8 oz. |
Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
Gender | Kids' |
24 IN | |
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Height Range | 4'2" - 4'9'' |
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