Name: Mod X Boys' Bike, 16-Inch, Blue
Brand: Huffy
SKU: 21905
Price: 139.99 USD
Availability: OutOfStock

Mod X Boys' Bike, 16-Inch, Blue

Kids
Ages 4–6

#21905

Futuristic Mag Wheels: Die-cut black mag wheels give this bike a fast, high-tech look that stands out.
Built for Control: Features both a front handbrake and rear coaster brake for smooth, reliable stopping power.
Grows with Your Rider: Quick-release seat adjustment makes it easy to find the perfect fit.
Confidence-Boosting Stability: Durable removable training wheels help kids learn at their own pace.
Durable & Fun: Strong steel frame and all-terrain 16-inch Trail Edge tires ensure smooth riding fun.

$139.99

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90-Day Returns
Free Warranty
Designed in Dayton, OH

A Legacy of Trust

130+ years of selling bikes. That's experience you can count on!

Less Set-up, More Riding

Get your Huffy in riding shape within 15 minutes, all tools included.

Limited Lifetime Warranty

Frames backed by our limited lifetime warranty.

Toll Free Support

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1-800-872-2453

Bold Style, Built To Last

The mirror-blue steel frame with sleek Mod X graphics gives this bike a high-energy look, while its durable construction is backed by a limited lifetime warranty. Ready for countless adventures, it’s as tough as it is stylish.

Sleek Protection For Safe Riding

The full-wrap chain guard keeps moving parts covered, protecting little legs and clothes from grease and snags. Designed with bold graphics, it adds an extra layer of style and safety to every ride.

Bold Racing Style

The Mod X handlebar plaque brings a sleek, race-inspired look to the ride. Its striking blue and black graphics make a statement, giving young riders an extra boost of confidence as they cruise.

Adjustable Comfort

The padded saddle features a bold blue and black design, adding extra flair to every ride. With an easy-to-use quick-release seat adjustment, finding the perfect fit is simple as your child grows.

Durable Mag Wheels

The die-cut black mag wheels add a sleek, high-tech racing style while providing extra durability. These standout wheels are designed for smooth riding and effortless maintenance, perfect for young thrill-seekers.

Specifications

Product Classification: Kids Bike

Model No: 21905

Recommended Age: 4 – 6

Recommended Height: 42 – 49 inches

Color: Blue

Frame Material: Steel

Speeds: 1

Brake Type: Front Hand Brake & Rear Coaster Brake

Wheel Size: 16in

Chainguard: Yes

Kids Specifications

Training Wheels: Yes

Training Wheels Removable: Yes

Handlebar Plate: Decorative Handlebar Plate

Sizing

16” Bike Size Recommendation

Sizing: rider height and age by wheel size
Rider Height	Rider Age	Wheel Size
37 - 42 Inch	3 - 5	12 Inch
39 - 44 Inch	4 - 6	14 Inch
42 - 48 Inch	4 - 6	16 Inch
42 - 49 Inch	4 - 8	18 Inch
44 - 56 Inch	5 +	20 Inch

Rider Height

37 - 42 Inch
39 - 44 Inch
42 - 48 Inch
42 - 49 Inch
44 - 56 Inch

Rider Age

3 - 5
4 - 6
4 - 6
4 - 8
5 +

Wheel Size

12 Inch
14 Inch
16 Inch
18 Inch
20 Inch

Frequently Asked Questions

What age is a 16-inch bike for?

A 16-inch bike is designed for young riders learning to ride independently. Age is only a starting point, so always check the specific bike's recommended rider height and fit before choosing.

How do I know if a 16-inch bike is the right size for my child?

Look at your child's height and ability, not just their age. They should be able to comfortably reach the handlebars and pedals while maintaining control of the bike.

Is a 16-inch bike good for learning to ride?

Yes. A 16-inch kids bike can be a great choice for young riders developing their balance, pedaling, steering, and stopping skills.

Do 16-inch bikes come with training wheels?

Many Huffy 16-inch kids bikes include removable training wheels to provide extra stability while your child learns. Check the specific product details to confirm what's included.

Can the training wheels be removed?

Yes, when removable training wheels are included, they can be taken off once your child is ready to practice riding on two wheels.

Warranty Information

Huffy has a wide variety of products, and the specific warranty information varies by product. In general, we provide a limited lifetime frame warranty for all steel frames. For more information on the warranty pertaining to your ride, check out the Owner’s Manual that came with the original product purchase or check out our Warranty page.