Mod X Boys' Bike, 16-Inch, Blue
- 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.
Designed in Dayton, Ohio
For over 130 years, Huffy has proudly called Dayton, Ohio, home. Huffy is part of the United Wheels Inc. family—a collection of respected bicycle brands including Buzz Ebikes, Batch Bicycles, and Niner Bikes.
With a rich cycling heritage and more than 200 million bicycles sold, Huffy stands as one of the most trusted names in bikes.
To learn more, visit our full About Us page.
Easy Returns
Unused products purchased directly from Huffy.com may be returned within 30 days of the original purchase date, provided they are in their original packaging.
To initiate a return, simply contact our Customer Service team to obtain a Return Authorization Number and shipping instructions.
For full details, please visit our Shipping Policy Page.
Fast and Free Shipping
Orders totaling $49 or more qualify for free standard shipping in the continental United States. For orders under $50, a flat shipping fee of $8.99 applies.
After your order, you should receive an order confirmation. Please allow 1–2 business days for processing. Once shipped, orders typically arrive within 3–4 business days.
For more information, visit our Shipping Policy Page
Free Warranty
Huffy combines affordable products with a leading industry warranty. All steel frames offer a limited lifetime warranty, and aluminum frames offer a 10-year warranty.
Rigid steel forks also offer a lifetime warranty, while shock forks and aluminum ones offer a 1-year warranty.
All other components are warranted for six (6) months from the date of purchase.
For more details, visit our Warranty Page.
At Huffy, we stand behind the quality and durability of our products. We are proud to offer industry-leading warranty coverage:
- Steel Frames: Covered by a limited lifetime warranty.
- Aluminum Frames: Covered by a 10-year warranty.
- Rigid Steel Forks: Covered by a lifetime warranty.
- Shock Forks and Aluminum Forks: Covered by a 1-year warranty.
- All Other Components: Covered for six (6) months from the date of purchase.
For complete details, exclusions, and instructions on how to submit a claim, please visit our Warranty Page.

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.

General Specifications
- Model Number
- 21905
- Product Type
- Kids Bike
- Material
- Steel
- Wheel Size
- 16in
- Color
- Blue
- Speed
- 1
- Brake Type
- Coaster Brake
- Brake Levers
- Resin
- Recommended Age
- 4-6
- Recommended Height
- 42 – 49 inches
Kids Bikes Specifications
- Training Wheels
- Yes