Woom Bike Size Chart

12-inch balance bike for ages 9 to 36 months (height 27"-39"). No-pedal design with a 6 lb aluminum frame, self-centering steering, and silent gliding wheels. Saddle 10.5". Includes a Buddy plush toy.

12-inch balance bike for toddlers 18 months to 3.5 years (inseam 10.0"-14.4", height 31"-40"). Weighs 6.4 lbs. Saddle 10.4"-14.4". Hand brake teaches early stopping; steering limiter prevents oversteering.

14-inch balance bike for ages 3 to 4.5 years - taller toddlers ready for a balance bike a little later than the GO 1. Lightweight aluminum frame with hand brake and steering limiter.

14-inch single-speed pedal bike for ages 3 to 4.5 years. Smooth transition from balance bike to pedaling. Color-coded brake levers (green rear, red front) teach proper braking technique.

16-inch single-speed pedal bike for ages 4 to 6. Saddle 19"-25.1". Color-coded brake levers (green rear, red front). The renamed Woom Original 3.

16-inch bike for ages 4 to 6 with a 2-speed automatic hub that shifts gears around 7.5 mph - no shifter needed. Same kid-optimized geometry as the GO 3.

20-inch 7-speed bike for ages 6 to 8. Lightweight aluminum frame (~17.2 lbs). Easy twist shifter and V-brakes with kid-sized levers. The renamed Woom Original 4.

20-inch all-terrain bike for confident riders ages 6 to 8 with hydraulic disc brakes (160/140 mm rotors), 7-speed microSHIFT shifter, and grippy all-terrain tires. Built for road and light trail.

24-inch all-terrain bike for ages 7 to 11 (inseam 22.1"-27.9", height 49"-57"). 8-speed microSHIFT, hydraulic disc brakes, 20.8 lb aluminum frame, saddle 27.2"-33.1". Rider weight limit 155 lbs.

26-inch all-terrain bike for ages 10 to 14 (inseam 22.1"-27.9", height 55"-65"). 8-speed microSHIFT, hydraulic disc brakes, 22.2 lb aluminum frame, saddle 29.9"-38". Rider weight limit 175 lbs.

Woom's off-road kids' MTB family in 20" (OFF 4), 24" (OFF 5), and 26" (OFF 6) wheel sizes. Hydraulic disc brakes, 1x9 SRAM drivetrain, lightweight aluminum frame around 19-22 lb. Designed for kids 6+ ready for real trails; riders 45"-65" tall.

Woom's flagship lightweight kids' bike line: Woom 1 (12" balance), Woom 2 (14"), Woom 3 (16"), Woom 4 (20"), Woom 5 (24"), Woom 6 (26"). Butted aluminum frame with kid-specific geometry. Roughly half the weight of typical big-box kids' bikes at every size.