10 Best Bike For 4 Year Old of December 2025

• 1. Easy to put together. 95% of the bike is assembled. Save your headache to install the front wheel and brake compared with 85% bikes. Assembly tools and an easy to follow instructions are included.
• 2. Safer riding! Safe grips and handbrake, Front caliper brake and rear coaster brake offer double safer, Wide 2.4” pneumatic tires add more stability, Sturdy steel frame,Crank, Non-slip resin pedal,Chainguard.
• 3. Easier to Ride! Your little ones will enjoy a smoother ride with Royalbaby sealed bearing since 2019, Royalbaby exclusive brake lever allows little riders brake efficiently.
• 4. Amazing design and color! Bright colors, stylish and charming. Bike bell and DIY decal add extra fun to the ride. Soft seat comes with a handle, which makes the bike easier to grab during teaching or loading.
• 5. More size options! 12,14,16,18,20 Inch available. Use our easy-to-follow size chart, you’ll find a perfect size for your little beloved. Note: Please take the kids height into consideration.

Royalbaby

• STEP-THROUGH FRAME -The frame is bent so that your girl is easy to get on or off. Made of 1.2 mm premium steel to survive the bumps of learning; Plus, the durable steel frame is backed by our limited lifetime warranty.
• DESIGN FOR KIDS 3-6 YEARS ( 36" - 47" ) - Stable training wheel is included for early rider. Quick release seat for easy height adjustment. Saddle with holder for learning riding. Bike basket for carrying small stuff.
• COASTER BRAKE - For kids don't have enough power to use hand brake, coaster brake is a great option to stop the bike. Simply push the pedal backward, it will stop immediately.
• ENCLOSED CHAIN GUARD - Full chain guard, prevent your kids touching the chain and getting hurt or soiled.
• EASY INSTALLATION - The kids bike comes with 85% assembled body and the basic assembly tools, only pump needed for tire. It takes a novice about 15 minute to assemble it. Please refer to the assemble instruction on the page.

JOYSTAR

• Lightweight steel foot-to-floor frame design is easy for young beginners to use
• Designed with 12-inch wheels, this bike fits riders ages 2 to 4, or 28" to 38" in height
• Easy steer handlebar with limiter make it easier for beginners to control the bike
• Air filled tires provide a smooth ride while a lightweight mag wheel design adds style and flair
• Tool-free adjustable seat post makes it easy to find a comfortable fit and includes a limited lifetime for as long as you own the bike
• Brake style: Coaster
• Suspension type: Front

Schwinn

• DESIGN FOR KIDS - 1. This bike comes with stable training wheel early rider. 2.Quick release seat simplify the height adjustment. 3.Saddle with holder to learn riding when the training wheel is off. 4.Coaster brake and front Handbrake suitable for young rider to manipulate the bike.
• MINIMUM MAINTENANCE - Made of premium steel to survive the bumps of learning, the durable steel frame is backed by our limited lifetime warranty. The bike comes with black tire & single speed, only little maintenance needed due to the simple design.
• DIY DECAL & SAFE CHAIN GURAD - Your child will get a DIY decal, they could make a unique bike with the decal by sticking their name on the frame or chain guard. The chain guard well protects the chain, it will last longer than other bikes, your child will not get hurt when try to touch the chain.
• EASY TO INSTALL - The children bike comes with 85% Pre-assembled body and the basic assembly tools, only pump needed for tire, normally takes a novice about 20 minutes to assemble it. If you have problem about assembly or the bike, please contact us.
• RECOMMENDED SIZE CHART - 12" BIKE FOR 2-4 YEARS (33"-41") TODDLER, 14" bike for 3-5 years (35" - 47") child, 16" bike for 4-7 years (41" - 53") boys & girls. Note: child height may vary even at the same age, please take the height into consideration.

JOYSTAR

• DESIGN FOR KIDS - 1. This bike comes with stable training wheel early rider. 2.Quick release seat simplify the height adjustment. 3.Saddle with holder to learn riding when the training wheel is off. 4.Foot brake suitable for young rider don't have enough power to manipulate the hand brake.
• MINIMUM MAINTENANCE - Made of premium steel to survive the bumps of learning, the durable steel frame is backed by our limited lifetime warranty. The bike comes with black tire & single speed, only little maintenance needed due to the simple design.
• DIY DECAL & SAFE CHAIN GURAD - Your child will get a DIY decal, they could make a unique bike with the decal by sticking their name on the frame or chain guard. The chain guard well protects the chain, it will last longer than other bikes, your child will not get hurt when try to touch the chain.
• EASY TO INSTALL - The children bike comes with 85% Pre-assembled body and the basic assembly tools, only pump needed for tire, normally takes a novice about 20 minutes to assemble it. If you have problem about assembly or the bike, please contact us.
• RECOMMENDED SIZE CHART - 12" BIKE FOR 2-4 YEARS (33"-41") TODDLER, 14" bike for 3-5 years (35" - 47") child, 16" bike for 4-7 years (41" - 53") boys & girls, 18" bike for 5-9 years (43"-59") boys & girls. Note: child height may vary even at the same age, please take the height into consideration.

JOYSTAR

• STURDY FRAME - Made of premium steel to survive the bumps of learning; Plus, the durable steel frame is backed by our limited lifetime warranty.
• COASTER BRAKE - This kids bike come with coaster brake, simply pushing the pedal backwards and stop the bike.
• SUITABLE FOR 2-4 YEARS GIRLS - 12" is for 2-4 years(33"-41") girls & boys, comes with basket to transport their loved doll and training wheels for safe cycling.
• SHOCK PROOF SEAT - Shock-proof bike seat is bigger than normal seat, more comfortable for kids cycling.
• EASY TO ASSEMBLE - The kids bike is 85% assembled, come with basic assembly tools (PUMP NEEDED FOR THE TIRE).

JOYSTAR

• This Schwinn Koen boy's bike with 14-inch wheels is designed for children 3 - 4 years old or 36 - 40 inches tall. The Koen is perfect for riding to the park or riding on the sidewalk around the neighborhood.
• With Schwinn's SmartStart Technology, this bike is designed just for kids: lighter frame, cranks and pedals are positioned forward, gearing designed for easier starting, narrower pedal positions, and smaller grips and seat.
• Designed with younger riders in mind, this bike includes a rear coaster brake (reverse the pedals to stop) and a front caliper brake (hand-brake like adult bikes); easing the transition to a hand-brake-only bike when they’re ready.
• The adjustable saddle, seat post, and slack seat-tube angle make for easy, tool-free adjustments to allow the Schwinn Koen boy's bike to grow with your child and prepare them for a full-sized bicycle.
• The Schwinn Koen boy's bike with 14-inch wheels comes ready to be assembled and includes the following: training wheels, saddle handle, chainguard, and number plate.
• NOTE: The pedals are included in their own cardboard box inside the carton

Schwinn

• STURDY FRAME - Made of 1.2mm premium steel to survive the bumps of learning; Plus, the durable steel frame is backed by our limited lifetime warranty.
• DESIGN FOR 2-4 YEARS (33-41 inch) GIRLS - The bike comes with girly color training wheels, and coast brake, simply pushing the pedal backwards, the bike will stop.
• EASY TO ASSEMBLE - The kids bike comes with 85% assembled body and the basic assembly tools, only pump needed for tire.
• LITTLE MAINTENANCE NEEDED - Different from normal princess bike, the bike comes with black tire, only little maintenance needed.
• WE HAVE UPDATED THE INSTRUCTION MANUAL. IF YOU HAVE ANY ASSEMBLY PROBLEM, PLEASE CONTACT US.

JOYSTAR

• ELEGANT SIMPLE DESIGN - The girly bike is inspired from beach cruiser bike. Strong Hi-Ten steel frame and fork provide awesome impact resistance when learning balance. The bike comes with LIMITED LIFETIME WARRANTY.)
• SAFE FOR YOUNG RIDER - The bike is equipped coaster brake, easy to provide phenomenal stopping power when needed, Front and Rear wheels, wrapped in rubber tires for outstanding grip and stability in any weather conditions.
• MINIMUM MAINTENANCE REQUIRED - Thanks to its single-speed drivetrain & black tire, the simple design minimize the hassle of maintain the bike. The full chain guard well protects the chain from getting rusty.
• EASY ASSEMBLY - The bike comes 85% assembled and simple tool. Normally it takes 20 mimutes to assemble the front tire , handlebar & seat. Note: Adult assembly is required.
• CHOOSE THE RIGHT SIZE : 12 inch is for 2-4 years(33"-41") girls, 14 inch is ideal for 3-5 years girls (height 36" - 47"); 16 inch suitable for 4 - 7 years (height 41" - 53"). Note: Child height is the main factor to choose the bike size. Please check it before order it.

JOYSTAR

• This Schwinn Elm girl's bike with 16-inch wheels is designed for children 3 - 5 years old or 38 - 48 inches tall. The Elm is perfect for riding to the park or riding on the sidewalk around the neighborhood.
• With Schwinn's SmartStart Technology, this bike is designed just for kids: lighter frame, cranks and pedals are positioned forward, gearing designed for easier starting, narrower pedal positions, and smaller grips and seat.
• Designed with younger riders in mind, this bike includes a rear coaster brake (reverse the pedals to stop) and a front caliper brake (hand-brake like adult bikes); easing the transition to a hand-brake-only bike when they’re ready.
• The adjustable saddle, seat post, and slack seat-tube angle make for easy, tool-free adjustments to allow the Schwinn Elm girl's bike to grow with your child and prepare them for a full-sized bicycle.
• The Schwinn Elm girl's bike with 16-inch wheels comes ready to be assembled and includes the following: training wheels, saddle handle, chainguard, and number plate.

Schwinn