ZRX Kids' Bike, 12-Inch, Blue
- EZ Build Assembly: Huffy’s EZ Build system makes bike assembly faster and simpler so riders ages 3–5 and approximately 37–42 inches tall can start riding sooner.
- Durable Steel Bike Frame: Strong steel construction built to support early riding adventures around the neighborhood or driveway.
- Dual Brake System: Coaster brake for simple pedal-back stopping plus a front sidepull caliper brake for added control as riding skills grow.
- Training Wheels Included: Removable training wheels provide extra stability while young riders build balance and confidence.
- Freestyle BMX Details: Front pegs and a crossbar pad give the bike bold BMX style kids love.
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.

BMX STYLE FOR FIRST RIDES
The Huffy ZRX 12" Kids Bike brings bold BMX-inspired style to young riders learning to ride. With a durable steel frame and motocross-style design, this bike is ready for driveway adventures and neighborhood rides while kids build confidence on two wheels.

EASIER ASSEMBLY WITH EZ BUILD
The ZRX features Huffy’s EZ Build system, designed to make bike assembly faster and simpler. With a streamlined setup process and fewer steps, parents can get the bike ready quickly so young riders can spend more time enjoying the ride.

CONFIDENT CONTROL FOR NEW RIDERS
Training wheels provide extra stability while riders learn balance and steering. A coaster brake allows easy pedal-back stopping, while the front sidepull caliper brake adds responsive hand-brake control as skills grow. BMX-style front pegs and a crossbar pad complete the freestyle look for added style on every ride.
General Specifications
- Model Number
- 72040
- Product Type
- Kids Bike
- Wheel Size
- 12in
- Color
- Blue
- Speed
- 1
- Brake Type
- Front Hand/Rear Coaster
- Recommended Age
- 3-5
- Recommended Height
- 37 – 42 inches
- Features
- Training Wheels