Dynacraft Air Zone Aftershock 20" Mountain Bike

Name: Dynacraft Air Zone Aftershock 20" Mountain Bike
Price: 137.5 USD
Availability: InStock
Rating: 5.4 (70 reviews)

Curated from 70 real Reddit conversations

Refreshed on: April 7, 2025

Dynacraft Air Zone Aftershock 20" Mountain Bike

Brand: Dynacraft

Price: $137

Snoop Score:

5.4

Sentiment

5.5

Popularity

3.6

Technical

6.5

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Snoop's Take

The Dynacraft Air Zone Aftershock 20" Mountain Bike is designed specifically for kids who are learning to ride, featuring a sturdy and durable construction that makes it ideal for young adventurers. Many parents have praised its ease of assembly and how quickly their children adapted to riding it, with one stating, "My 5 yr old learned how to peddle and ride on his own within 30 minutes on a guardian." While the bike is noted for being sturdy and providing a smooth ride, some reviews caution that it may not be suitable for serious off-road use and could be perceived as lower quality compared to higher-end options. Overall, the Dynacraft Air Zone Aftershock is a good choice for families looking for an affordable bike for casual riding and learning. However, for those seeking serious mountain biking capabilities or higher durability, exploring other brands might be advisable. Despite some concerns, the positive feedback from users indicates that it serves its purpose well within its category.

Not for you? Check out our other rated Bikes

My 5 yr old learned how to peddle and ride on his own within 30 minutes on a guardian.
Positive Feedback

This is not a mountain bike. It is not meant to be used off road.
Negative Feedback

5.4

Dynacraft Air Zone Aftershock 20" Mountain Bike

Buy on Amazon for $137

Kids’ First Ride

9 / 10

Urban Commuting

5 / 10

Off-road Adventures

4 / 10

Stunt and Freestyle Riding

3 / 10

See how this compares to all Bikes

What it does well!

Key strengths users can’t stop talking about.

Easy to learn to ride

“My 5 yr old learned how to peddle and ride on his own within 30 minutes on a guardian.”➕

“To this day the children prefer to ride the guardian bikes.”➕

“A fair and comprehensive review of my Swytch Kit This is an honest and I seem to be a fair review of”➕

Effective braking system

“It stops FAST and that has been a God send on more than one occasion.”➕

Sturdy and easy to assemble

“DO buy this bike if you know how to work on bikes, with a decent set of tools.”➕

“I had ridden bikes before but obviously being young, I didn’t notice anything quality wise.”➕

Children are happy with Dynacraft bikes

“We have dynacraft bikes right now that they are happy with but growing too big for.”➕

“Looking to buy a used bike for my kid.”➕

Easy to assemble with online resources

“you also get to feel a sense of pride.”➕

Bike rides smoothly

“I have yet to have a single issue.”➕

“for $180 I have gotten great value out of the bike, and I don't see myself getting rid of it in the near future because it gets the job done pretty well.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.

Not suitable for serious off-road use

“This is not a mountain bike. It is not meant to be used off road.”➕

“A bike in 2024 coming with a freewheel is kind of crazy no matter what the price point is.”➕

Perceived as low-quality compared to higher-end bikes

“the price is obviously very affordable.”➕

“It feels really clean to ride compared to my friends bikes and they say my bike rides cleaner too?”➕

“Expect a relatively dependable hardtail to start in the $600 range.”➕

Poor traction with current tires

“it gets just... terrible traction on any surface.”➕

“If you want to increase traction get some used mountain bike tires from a bike shop.”➕

“It works great and way cheaper than new wheels.”➕

“My sons PW can climb a pretty steep incline with it.”➕

Walmart bikes perceived as low quality

“Walmart bikes are pretty low quality to begin with and are not guaranteed to be assembled by a proper mechanic.”➕

“I think everyone agrees that you will regret buying a Walmart bike.”➕

“Like others have said i’d caution against a walmart bike.”➕

No warranty worth having on low-cost bikes

“No one who sells bikes for under $300 has a warranty worth the paper it's printed on.”➕

Box store bikes tend to be heavy and unsuitable for kids

“I greatly regret putting my little girl on something that was hard to ride and not as much fun.”➕

Brand perceived as low quality

“Dynacraft is a manufacturer of department store (Target, Walmart, etc) bikes. I replaced my Dynacraft bike with an entry level Trek and it is worlds more reliable and enjoyable to ride.”➕

“Most of the bikes on their or any 'big box' type environment are going to be a waste of money in the long run.”➕

“There are countless bikes which would represent better quality at that price point.”➕

Heavy construction of bikes

“It was HEAVY AS SIN, among other things.”➕

Heavy construction

“but it’s heavy. Evidently someone took care of it.”➕

Not suitable for heavy trail riding

“The bike seems to ride fine but I can’t tell if it will hold up for long on the trails in the woods.”➕

Box store bikes have poor manufacturing and assembly quality

“are walmart road bikes really THAT bad ?and why are they bad ? whats your experience ?... also why do people in the bike community . Hate people who ride walmart bikes.”➕

“Yes, they are indeed that bad. They are very poorly manufactured, and often poorly assembled.”➕

Box store bikes can be unreliable and unsafe

“Some of those bikes are bad enough that you'll spend more time pushing the bike than riding it.”➕

“The best thing about a walmart bike is the warantee.”➕

Replacement parts for box store bikes may not conform to standard measurements

“they don't always conform to the typical measurement standards, which means quality replacement parts from the bike shop won't fit quite right.”➕

Compare On All Talked About Dimensions

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WEIZE Freestyle BMX Bike, 20 inch Trick Bicycle	$189	6.7	Details	Buy
WEIZE Mountain Bike - 26/27.5 Inch Outdoor Cycling Bike	$161	6.2	Details	Buy
Ktaxon Mountain Bike 27.5 Inch	$199	6.2	Details	Buy
OUTROAD Outroad 26 Inch Mountain Bike	$99	6.0	Details	Buy
Huffy Illuminate 20” Girl’s Bike	$159	5.9	Details	Buy
VARUN Electric Bike	$399	5.7	Details	Buy
Huffy Stone Mountain Mens 26 Inch Mountain Bike	$229	5.4	Details	Buy
Dynacraft Air Zone Aftershock 20" Mountain Bike	$137	5.4	Details	Buy
VARUN Electric Bike - Ebikes for Adults	$399	5.2	Details	Buy
Dynacraft Magna Echo Ridge 26" Mountain Bike	$164	4.4	Details	Buy
YITAHOME 20 Inch Folding Beach Cruiser Bike	$189	3.6	Details	Buy
VARUN Folding Electric Bikes	$289	3.0	Details	Buy
Viribus Hybrid Road Bike	$279	2.0	Details	Buy

Core Power Plays

The specs and strengths that make it shine.

Discussion about bike features and specs

“This is good info. Thank you.”➕

“What is the tire clearance? Like what's the widest tire I can put on this bike?”➕

Discussion about bike suitability for different terrains

“Both have mountain bike tires for dirt trails and can also ride on pavement and gravel.”➕

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.

DIY solutions for improving traction

“Perfect! Thank you all :)”➕

Suggestions for alternatives to buying new bikes

“I bought a couple cheap bikes that turned into rattletraps with seats that kept slipping around or shifters that were super frustrating in their misfunction.”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’

Need for training wheels varies

“No training wheels. Just have your child start on it as a balance bike then once comfortable you can add the pedals.”➕

“Old thread but did your 5 year old have previous balance bike experience.”➕

Alternative options like bike exchanges exist

“Look for a bike exchange in your area. There are a good deal of bicycle advocacy non-profits that fix up and sell used bikes at a reasonable price.”➕

Comparison of bike sizes for children

“20", 5-8 years old, 3'10" - 4'4".”➕

Concerns about buying box store bikes vs. quality options

“But all I see otherwise are expensive bikes at the local shop.”➕

“I'd put up with it.”➕

“Quill stems make sense for kids bikes is it can more easily be raised as the kid grows.”➕

“Solid bike, kid loves it.”➕

Preference for local bike shops over big box stores

“Never heard of the brand.”➕

Inquiry about bike accessories

“Does anyone know how and where to get a charger for this bike”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.

General chatter about bike industry trends

“but its got that internal routing tho /s”➕

Discussion about the relative quality of bikes

“for me it works and I'm having fun on it, I don't need to upgrade my bike to get that.”➕

“if you're just cruising around at low speed, a high end bike will only be better at getting stolen.”➕

Discussion about bike brands and manufacturing

“Brand loyalty in MTB is particularly silly.”➕

Dynacraft Air Zone Aftershock 20" Mountain Bike

Curated from 70 real Reddit conversations

Dynacraft Air Zone Aftershock 20" Mountain Bike

Snoop's Take

Dynacraft Air Zone Aftershock 20" Mountain Bike

Kids’ First Ride

Urban Commuting

Off-road Adventures

Stunt and Freestyle Riding

What it does well!

Where it needs some work!

Compare On All Talked About Dimensions

Core Power Plays

Hidden Hero Hacks

Buyer’s Cheat Sheet

Cautionary Callouts

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