RoyalBaby Bike Size Chart

12-inch first bike for girls ages 3-5 (height ~85-105 cm / 33-41"). Lowered step-through frame, training wheels, hand + coaster brakes, basket and bell included. Sparkly Stargirl decals.

14-inch step-through girls bike for ages 3-5 (height ~95-115 cm). Hand + coaster brakes, training wheels, sparkle Stargirl theme with handlebar bell. Adjustable seat extends usable years to age 13.

BMX-styled kids bike sold in 12", 14", 16" and 18" wheel sizes for ages 3-10. Sealed-bearing patent crank, training wheels, coaster brakes, water-bottle holder and adjustable seat / bars.

Kids bike with dual hand brakes (no coaster) in 12", 14", 16", 18" and 20" wheels for ages 3-10. Short-reach grips for small hands, 2.4" wide tires, training wheels on 12-16".

Lightweight magnesium-alloy kids bike in 14", 16" and 18" wheels (roughly ages 3-9). Lighter than equivalent steel bikes for easier handling. Hand + coaster brakes, adjustable seat.

2-in-1 convertible: starts as a balance bike (no pedals) and converts to a pedal bike when the child is ready. Sold in 12", 14", 16", 18" and 20" wheels — pick by current height + balance-bike phase first.

Convertible balance-to-pedal kids bike (Terra series) in 14", 16" and 18" wheels. Easy-learn design starts pedal-free; pedals attach when the child has learned balance. Adjustable seat.

Youth / petite-adult aluminum hardtail in 20", 24" and 26" wheels — fits kids and teens roughly 4'0"-5'9" tall. Lightweight 6061 aluminum frame, multi-speed drivetrain, mechanical disc or V-brakes depending on size.