To buy, select Size
Choose from options to the left
Added to

Sorry, there was a problem.

There was an error retrieving your Wish Lists. Please try again.

Sorry, there was a problem.

List unavailable.

Dynacraft Major Damage Bike, 12-20-Inch Wheels, Boys Ages 3-10 Years

4.5 4.5 out of 5 stars 2,669 ratings

To see product details, add this item to your cart. You can always remove it later.
:
*

Yellow

Size Chart
US BMX Bike
Brand SizeRider Height (in)Inseam (in)Wheel Size (in)
1232 - 4015 - 1812
1435 - 4416 - 2014
1638 - 4817 - 2216
1842 - 5319 - 2418
2045 - 5620 - 2520
2447 - 7221 - 3324
2653 - 7724 - 3526
27.563 - 7229 - 3327.5
2963 - 7429 - 3429
700 C63 - 7829 - 35

About this item

  • Sturdy steel frame with deluxe blue crystalline-effect paint finish
  • 12 inch wheel size for rider 3-5 years or 34-40" tall
  • Easy to use rear coaster brake
  • Custom handlebar pad
  • Adjustable and removable training wheels
  • Limited lifetime warranty on frame and fork

From the brand


From the manufacturer

image

Dynacraft Wheels

Throughout our history, our company has challenged itself to always be better, faster, and more innovative. For over thirty-five years, we have worked hard to ensure our products lead the industry in technology, design, and most importantly, fun! Our hope is to inspire families to make “Fun on Wheels” a larger part of their everyday lives. Our commitment to re-energizing the wheeled goods category continuously pushes us to look to the future and anticipate how to best serve our customers.

image

image

image

Learn to ride and have fun

Kids can be very particular about what, when, and how they ride a bike. To ease this process for everyone, Dynacraft offers a variety of collections in exciting designs.

Find a ride that makes you smile

Whether you’re riding to the local coffee shop, cruising along the beach, or conquering new mountain terrain, Dynacraft provides an adult bike option for every occasion.

Crank playtime up a notch

Between motorcycles, super cars, plush ride-ons and UTVs, there’s a Dynacraft ride-on option for every child. Find your favorite characters on our ride-ons that all feature easy-to-operate acceleration and interactive features.

Magna Major Damage 12" Children's Bike

image

image

image

image

image

Adjustable Seat

The adjustable saddle and seat post means tool-free adjustments are easy and the bike can grow with your child.

Details

Our kids’ bikes all come with tire tread ready for wear and tear. The bike forks all feature a deluxe paint finish and custom graphics.

Training Wheels

Learning to ride is all about feeling comfortable and confident. Our kids’ bikes with adjustable/removable training wheels allow your child to feel safe as they learn to ride.

Handlebar

Dynacraft kids’ bikes offer both comfort and style with custom designed handlebar pads and comfort handlebar grips.

Product Description

Be awesome, be epic, and cause some major damage on the Magna Major Damage 12-inch Boys Bike by Dynacraft. This BMX-style frame boasts a deluxe paint finish in bright blue and black, complete with eye-catching graphics and vibrant details on the handlebar pad, frame, and chain guard. Coaster brakes make stopping a breeze, while removable/adjustable training wheels offer extra stability until they're ready to ride on their own. An adjustable, padded seat ensures the bike can grow with them, and the size and design are optimal for riders aged 3-5 years. Get your little one ready for an epic ride with the Dynacraft Major Damage 12-inch Boys Bike!

Product information

Technical Details

Additional Information

Looking for specific info?

Customer reviews

4.5 out of 5 stars
4.5 out of 5
2,669 global ratings

Customers say

Customers like the ease of assembly, value, and appearance of the bicycle. For example, they mention it's easy to assemble, looks great, and is good value for money. Some are happy with performance and kids bikes. That said, opinions are mixed on quality and fit.

AI-generated from the text of customer reviews

163 customers mention130 positive33 negative

Customers like the ease of assembly of the bicycle. They say it's easy to assemble, and went together without any issues.

"Easy to put together" Read more

"Great bike well constructed easy to assemble. My little guy loves it. Would recommend to all." Read more

"The bike was easy to assemble. Sturdy, bright green and would be absolutely treasured by the recipient...." Read more

"Very easy to assemble, durable, easy to ride. It’s overall a great bike!" Read more

115 customers mention95 positive20 negative

Customers like the value of the bicycle. They mention it's a solid bike for the price, with decent quality. Some say that the bike is easy to assemble and is the perfect size and price.

"...between the baby bike and the big boy bike, so this is the perfect size and price...." Read more

"Great product and price" Read more

"...The positive is that it’s a great price. The negative is everything else. The bike itself was tough to put together and I’m a mechanical engineer...." Read more

"...Pretty good value for the dollar, in any case...." Read more

52 customers mention52 positive0 negative

Customers are satisfied with the appearance of the bicycle. For example, they mention it looks great, is sturdy, and has a bright green color. Some say that the paint finish was perfect. Overall, most are happy with their purchase and recommend it to others.

"The bike was easy to assemble. Sturdy, bright green and would be absolutely treasured by the recipient...." Read more

"...just for this little part.I like the look of the bike, everything else seems fine. Just waiting to ride!" Read more

"Cute bike and made solid. My grandson loves his new bike" Read more

"Grand son has outgrown it, but it still looks like brand new. No rust or any other defects." Read more

36 customers mention33 positive3 negative

Customers are satisfied with the performance of the bicycle. They mention that it works well, the training wheels work great, and it's easy to put together. Some say that it'll be a great addition to their biking collection and is perfect for their 4 year old son.

"...just for this little part.I like the look of the bike, everything else seems fine. Just waiting to ride!" Read more

"...It's not hard to make any bike run well (things should be tight enough that they don't fall off, not so tight that other things can't move...) but..." Read more

"Overall, the assembly was easy and took about 1/2 hour. Everything works as expected. Like the labels on the pedals...." Read more

"...Would recommend this bike for young cyclists training wheels work great." Read more

32 customers mention32 positive0 negative

Customers are satisfied with the kids bikes. They mention that it is a great bike for 4+ year olds, perfect for their 5 yr old, and very durable. Some say that it's a first bike for toddlers and a good gift for the little ones. Overall, most are happy with their purchase and recommend it to others.

"...Sturdy, bright green and would be absolutely treasured by the recipient. We will purchase again next year as the quality was spot on." Read more

"Nice gift for Grandson!" Read more

"This bike is perfect for my grandchildren...." Read more

"Great bike. My 4 1/2 year old is 42" and about 35lbs. It is perfect for him. Just big enough to last us more than one year but not too big...." Read more

266 customers mention172 positive94 negative

Customers are mixed about the quality of the bicycle. Some mention that it's made solid, while others say that it was poorly made and fell apart.

"Very sturdy bike and has held up well for the short time we have owned this bike...." Read more

"Bought as gift for grandson. Seems to be very sturdily built bicycle. Does seem to be a little hard to pedal." Read more

"...preassembled has to be tightened, I learned this the hard way as it fell apart. Tightened everything and he rides it everywhere...." Read more

"The bike was easy to assemble. Sturdy, bright green and would be absolutely treasured by the recipient...." Read more

104 customers mention39 positive65 negative

Customers are mixed about the fit of the bicycle. Some mention that it fits their child well, while others say that the chain was pre-installed and way too tight. The bearings are all a bit tight and need to be adjusted to run more smoothly. The fork was also so tight that it creaked and grinded whenever it moved.

"...But every thing that was preassembled has to be tightened, I learned this the hard way as it fell apart...." Read more

"...it fits him well but there is not much growing room, If i were to do it again I would have probably gone for an 18 inch bike...." Read more

"...Poor quality, at first the pedal kept coming loose then the chain barrel broke all within two months, & he didn’t even ride the bike that much for..." Read more

"...quite heavy for a bike its size- chain was pre-installed and way too tight.- handlebar grips broke after a few uses-..." Read more

39 customers mention0 positive39 negative

Customers are dissatisfied with the durability of the bicycle. They mention that the chain regularly falls off, the pedals keep falling off, and the wheel fell off while riding. The rubber end on one of the handle bars keeps falling off as well. Days out of warranty, the bearings fell right out of the crank.

"...Chain had no give." Read more

"...The only thing i'm not 100% sure about is the lubrication of the moving parts...." Read more

"The right side pedal stripped out and fell off...." Read more

"...wrench didn't fit anything it said it was supposed to fit and the wheel fell off while my son was riding thank God he wasn't going fast...." Read more

Very well made
5 Stars
Very well made
Easy to put together
Thank you for your feedback
Sorry, there was an error
Sorry we couldn't load the review

Top reviews from the United States

Reviewed in the United States on February 15, 2024
Color: RedSize: 20"Verified Purchase
Customer image
5.0 out of 5 stars Very well made
Reviewed in the United States on February 15, 2024
Easy to put together
Images in this review
Customer image Customer image
Customer imageCustomer image
One person found this helpful
Report
Reviewed in the United States on January 4, 2024
Color: YellowSize: 20"Verified Purchase
Reviewed in the United States on March 15, 2024
Color: OrangeSize: 16"Verified Purchase
Reviewed in the United States on January 2, 2024
Color: OrangeSize: 12"Verified Purchase
Reviewed in the United States on January 6, 2024
Color: GreenSize: 12"Verified Purchase
Reviewed in the United States on January 6, 2024
Color: GreenSize: 20"Verified Purchase
Reviewed in the United States on March 5, 2023
Color: YellowSize: 16"Verified Purchase
2 people found this helpful
Report
Reviewed in the United States on March 1, 2024
Color: OrangeSize: 16"Verified Purchase

Top reviews from other countries

Translate all reviews to English
Melissa
5.0 out of 5 stars Great bike!
Reviewed in Canada on December 1, 2016
Color: YellowSize: 16"Verified Purchase
2 people found this helpful
Report
Basil
5.0 out of 5 stars Se ve mucho más bonita en real
Reviewed in Mexico on December 30, 2016
Color: YellowSize: 16"Verified Purchase
27 people found this helpful
Report
Cliente de Amazon
5.0 out of 5 stars Recomendable
Reviewed in Mexico on January 16, 2020
Color: YellowSize: 16"Verified Purchase
Amazon Customer
5.0 out of 5 stars Five Stars
Reviewed in Canada on April 9, 2016
Color: YellowSize: 16"Verified Purchase
3 people found this helpful
Report
Samuel Reyes
5.0 out of 5 stars Maciza
Reviewed in Mexico on January 24, 2018
Color: YellowSize: 16"Verified Purchase
One person found this helpful
Report