Best Kid’s 24” Mountain Bike


Since this post, I have come across a few other options that may work for some people. These are pricey solutions but if you have the cash these look like great alternatives. Again, I think weight is the biggest thing. I emailed Brian below and the Phenom weighs in at approximately 29lbs. That is less than the Rocky Reaper.  I know a dad that bought his son a used Stinky. The poor kid simply could not peddle it up any hills. He then got him an Opus Fever…game changer. If I was to pick again I would look at the Opus Fever or the Kona Shred (the Rocky Reaper isn’t produced any longer).

Tyler Benedict / :


Developed by Brian Stanton, their frames are all 6061 alloy, and all made in California by Ventana. They offer both hardtails and full suspension that accommodate 16″ or 20″ wheels, plus a new 24″ full suspension platform. The Lil Shredder Phenom 24″ frames start at $1,350 and complete bikes start at $3,200. It gets a tapered headtube and keeps the adjustable length suspension.

Lil Shredder Phenom 24-inch kids full suspension mountain bike

Lil’ Shredder Phenom


Ben Delaney / :

Opus Bikes offers high-end urban and kids bikes

Launched three years ago, the kids bikes range from $175 to $720. So why kids bikes in this price range?

“For one thing, Mike Bajohr (Opus Bikes kids’ category manager) could not find a kids bike that he would be proud to put his kid on,” Dimmick said. “That was the impetus to bring something to the market that’s just not there. That’s a gamble. Second, he couldn’t find bikes that his two boys would not destroy.”

Opus Fever


Another option I have seen recently is to buy a XS Women’s bike. The Giant Trance X2 is a very nice option. Pricey at $2350 for a kids bike, but if your kid is into biking… I was in the bike shop a few weeks ago and weighed it. It weighs less than the Reaper that I bought for my son (see below). The added benefit is that you get a bike for your wife at the same time!

Giant Trance X2


Original Post:

This season I have spent hours, maybe days, agonizing and reviewing kid’s 24” mountain bikes (24” refers to the wheel size not frame).  24” bikes are usually suitable for 9-13 year-olds.  There is a lot of choice out there and a lot of variables to consider.  To make it easier on myself  I reduced my variables down to 5;  Frame material, brakes, fork travel, shifter type and cost.

Bike Weight

Consider a 9 year old weighs about 60 lbs, and a bike about 30 lbs.  That’s 50% of their body weight.  If I were to apply that ratio to myself, I would have a 90lb bike!  Of course I am doing bit of an exaggeration, but weight matters.  My first criteria was that the bike frame had to be a light  aluminum alloy.  Almost all quality bikes are, but needless to say Wal-mart bikes aren’t.  If you find yourself in a Wal-mart or equivalent shopping for a kids bike, you should leave the store immediately.  By the way, aluminum numbers are temper designations for the alloy.  The 7000 series is stronger than 6000.  Kona uses 7005 aluminium for the Shred and Stinky.  If you are worried about strength I guess that’s the way to go…but I have doubts that my 60 pounder is going to break a frame anytime soon.

Disc Brakes

If your kid is planning on doing any lengthy downhill trails, I would say disc brakes are a must especially if the trails are muddy or wet.  You want them to be able to easily control their speed and stop when they need to.  Linear-pull brakes are not reliable when wet and don’t have the stopping power.  However there are two kinds of disc brakes; mechanical and hydraulic.  Hydraulic brakes are easier to pull for small fingers and don’t require adjustment as the pads wear.  If you have the choice go hydraulic, though they are more expensive.


Suspension on a kid’s bike is pretty weak generally.  Perhaps its a cost thing, or they don’t really need that much suspension given their weight.  Regardless I tried to maximize the travel on the front fork.  There was a lot of travel variability across the brands, ranging from 50mm to 120mm.  The only quality full suspension bike I found was the Kona Stinky 2-4.  Unless your kid is downhilling at a bike park everyday, this bike is probably overkill.  Certainly the rear suspension adds significant weight and makes pedaling up more difficult.

Components and Drivetrain

Let’s face it, manufacturers aren’t going to put top of the line components like Shimano XT on a kid’s bike…too expensive and not required.  Most bikes come stock with decent recreational components so I wasn’t really too concerned about weeding through all that detail.  I looked for reputable brands like Shimano and left it at that.  What I did ensure was that the shifters were trigger type vs. grip twist.  I think trigger shifters give kids more control shifting gears one at a time rather than doing a “motorcycle throttle” and going through all the gears in one motion.  Also, does your mountain bike have twist shifters?

New or Used?

Quality is hard to come by.  Good used bikes at a decent price are snatched up fast (I know after spending way too much time on Pinkbike). So if you can afford new…go for it!  Especially for a 24” bike as it will last for a few years.  Your LBS may have a line on a used bike, but I think they grab any deals they come across for their own kids.  I would.  I also think you need to check out at a bike in person, so I shy away from buying online from far off lands.  Mountain bikes have lots of things that can go wrong and you want to inspect them closely.  However, buying used online is great if you can find a local seller.  My favorites to search were,, and

Here are the 10 mountain bikes I reviewed:

MSRP Frame Brakes Fork Shifters
Trek MT220 (2012)  $    340 6000 series Alum Linear pull 40mm Grip twist
Giant XTC Jr. 24 (2011)  $    360 6000 series Alum Linear pull 50mm Grip twist
Scott Voltage JR 24 (2011)  $    380 6061 Alum Linear pull 50mm Grip twist
Marin Bayview Trail (2011) *  $    380 6061 Alum Linear pull 50mm Trigger
Specialized Hotrock A1 FS 24 (2011)  $    440 6000 series Alum Linear pull 50mm Grip twist
Norco Jammer (2011) **  $    520 7005 Alum Mechanical 50mm Grip twist
Devinci Hucker Jr. (2011)  $    599 6061 Alum Mechanical 100mm Trigger
Kona SHRED 2-4 (2011) ***  $    699 7005 Alum Hydraulic 63mm Trigger
Rocky Mountain Reaper 24 (2011)  $    699 6061 Alum Mechanical 100mm Trigger
Kona STINKY 24 (2011)  $ 1,679 7005 Alum Hydraulic 100mm Trigger

*  The 2010 SE had mechanical disks and 70mm forks.
**  Predecessor is the Kompressor with Hydraulic brakes, 120mm travel and trigger shifters.  Some review comments were negative on Kompressor quality.
***  The 2011 is a beefier version than previous years.  Looks like the Stuff was rolled into the new Shred.  The old Shreds had mechanical discs.
If you need more detail on the components of each bike try, it could be handy tool.

The Best

2011 Rocky Mountain Reaper 24

In the end we decided on buying a new Rocky Mountain Reaper 24 from my local bike shop.  We test rode it and my son liked it.  It had almost everything I wanted, for a price I could live with (got a “good customer” discount from my LBS too).  I will probably have to upgrade to hydraulic disc brakes as the Reaper comes with mechanical.  If my LBS carried Kona, I  would probably have gone for the 2011 Kona Shred, as it comes stock with hydraulic brakes.

Okay, now forget all of what I have just written.  If you happen to find the best bike and it’s the “wrong” color with “stupid” decals.  Forget it.  You are going back to the drawing board.  When we were in Fernie, my son was excited to rent a Kona Stinky 24 until he actually saw the bike.  It had pink decals.  He blinked once, maybe twice then said, “Dad, it’s pink…let’s just leave.”

19 Responses to Best Kid’s 24” Mountain Bike
  1. paul
    May 3, 2015 | 5:00 am

    Hi all,
    I see there are still people reading this blog. I had the same problem for my daughters about 2 years ago. I think the issue will keep popping up so therefore my 2 cents worth. I bought a cube kids 200. There is a 240 version too which I intend to buy in 2 years.
    I don`t understand why it is not in this listing. It is a serious kids MTB. It is a great bike and has all she (then 6) needs. 7 gears and no suspension. I might only prefer, hydraulic, disc brakes. We live in the mountains and she gets up hills easily. The bike only weights 10 kg (22 lbs.). Which to me seemed to be the most important feature. There is no real need for suspension in my opinion. The bike cost me, model 2014, 210 euros (235 usd now).

  2. Jeremy
    November 27, 2014 | 9:04 pm

    Great article thanks! I just purchased a 2015 Diamondback Sync’r for my 11 year old. 24″, hydro disks, 21 lbs gross, all top notch parts. Picked it up for 570. I cannot wait to see him on this beast!! DB can through on this build.

    • Tim
      December 2, 2014 | 8:41 am

      Jeremy- did you modify the sync’r to get 21 pounds?
      The website states 12,090g=26.65 pounds.
      Do you live in foothills, or where there are adequate climbing? Can your boy handle the 1×9 drivetrain, which seems quite steep (32t front chainring). I am riding 30×42…
      I am seriously considering, and if you join IMBA, you get pro-deal access on DB bikes, which brings the sync’r 24 to $400.

    • Bob
      January 7, 2015 | 12:15 pm

      I’m looking to get a bike for my son and the Diamondback syncr looks like a winner. I was curious to find out where you were able to get it for $570?

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  8. Dorea Shoemaker
    December 1, 2013 | 9:03 pm

    I would really like to see the weight of the bikes reviewed. It is really hard to find online, and the companies for are not willing to list it.

  9. David
    May 20, 2013 | 10:32 pm

    Nice write up Troy, thanks.

    Your last comment on colour would certain be a deal breaker for my daughter also. No pink in sight. We are looking at the “boys” bikes as they are much cooler. Not my choosing at all.

  10. Tim
    November 18, 2011 | 1:40 pm

    Stumbled on your article, thanks for all the info.

    I too have been agonizing over what bike to get my 4′”6 8 yr old for Christmas. I have the same requirements – would like disc brakes, decent fork, and trigger shifting.

    Was looking for the same models you have listed, but the stand over heights have me a little concerned now, they all seem to be a little too big yet. But than I would hate to buy a 20″, just seems it would be too small.

    Doesn’t seem to be too many quality choices for his size, especially in the used market.

    Kicking myself for passing on a Hotrock A1 awhile back on Craigslist. Should have bought that and upgraded from there. Had the tabs for disc brakes even. :(

    • Troy
      November 18, 2011 | 6:58 pm

      Hi Tim,
      Thanks for your comments. It is tricky finding the right sized bike that will last them for at least a couple of years!

  11. John Hight
    October 5, 2011 | 11:24 am

    Thanks, Troy. The closest Rocky Mountain bike shop is 4 hours from me. How tall is your son?

    Thanks for taking the time to write the original post and the replies.


    • Troy
      October 5, 2011 | 9:35 pm

      4 hrs makes it hard to test ride for sure. He is 52.75″ tall with a 26″ inseam. I just went and measured the bike and the Rocky SOH of 27.8″ is about midway up the top tube. He can sit flat footed on the seat with it in the fully down position.
      Feel free to ask any questions…

  12. Justin
    September 14, 2011 | 10:08 am

    Great write up Troy. I too went with the Rocky Mountain 24″. I was driving myself crazy worrying about the weight differences of these bikes, but I had to pull myself out of weight weenie mode and come to the realization that my son will probably only be on this bike for a couple of seasons because he grows like a weed. More importantly was that I wanted him to get used to the “push-push” style of shifters, disk brakes, and larger travel fork found on most of the 26″ models.

    We took our first ride this past weekend. We rode for a bit under 6 miles in both double and single track, and he really loved the bike. I found that the Reaper came with gearing so low, it didn’t really matter how heavy the bike was. So low in fact, he thought the chain had come off because it was too easy to pedal. :-)

    • Troy
      September 14, 2011 | 8:00 pm

      Thanks for your comments Justin. Much appreciated!

      • John Hight
        October 4, 2011 | 6:40 pm


        Thanks for a great write up. My son’s 8 year old birthday is just around the corner. I have looked at Giant, Specialized and Marin. Then, I found the Reaper on sale at Jenson.

        The stand over seems much higher on the Reaper than the other bikes (twice the travel). Can you comment on the size of the Reaper versus the others you tested? Is it significantly larger?

        Thanks for the help,


        • Troy
          October 4, 2011 | 9:46 pm

          Hi John,
          You are right, the Reaper is higher (27.8″) than the Shred (26.3″) and Hotrock (24.2″). I can’t find the SO for the Giant and if I recall there wasn’t a huge difference when we tested it. We didn’t test ride the Marin and for some reason they don’t seem to publish the SO height for it either? I too was concerned about the height of the Reaper. When we test rode it there wasn’t lots of room and had some possibility of “narding” as the boys say. However, there was enough room to make it comfortable and he hasn’t had any problems in the past few months. He has grown too. Obviously the best way to know is to test ride if possible. Sorry I can’t be of more help.
          Thanks for your comments!

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