Woom OFF 4, 5, and 6 Review

Woom has come through with some amazing mountain bikes for kids. Applying the learnings from their original line of bikes, Woom has gone ahead and designed some affordable light weight/high quality mountain bikes to get the kids off the screens and on to the trails. Thanks to Woom for some demo bikes  for the review.

Woom OFF Details:

  • Intended Age- 5 to 14 (available in 20, 24 and 26 inch sizes
  • Weight- 17.2-20.5 lbs
  • Features- alloy frame, carbon fork, 2.25 inch tires, 68/69 degree head angle, top quality parts build
  • MSRP- $669-699 USD
  • Available- Woom

The Bike Dads' Take:

"These super light weight bikes are fantastic. Carbon Fork, amazing compound 2.25 in Schwalbe tires let you dump tire pressure out on the trail for a little bit of squish. Fantastic geometry (68/69 HA), awesome pedals, great 9 spd 11-32T drive train and hydraulic disc brakes. Everything you want in a neighborhood ramp charger combo MTB...except a suspension fork you say? Coming late spring 2020 for $200 more." -Colin

21 Comments

  1. MikeApril 4, 2024

    How would the Woom Off Air 5 compare to RM Vertex Jr 24? Our 7 y/o is still a little bit on the smaller side (just coming up on 4ft in socks). As the kids grow here the local biking group is enduro, but most kids his age or just older are just using XC bikes. There is an XC group a short drive away but they don’t ride as often. One concern I had with the RM is the longer cranks (155mm). No Spawn or Prevelo where we live unfortunately. Weekend rides would be XC in any case.

    Thanks so much!

    Reply
    1. MikeApril 4, 2024

      Looks like we’ve also got the Polgyon Xtrada 24 available. I see it’s slacker, but a lot heavier.

      Reply
      1. The Bike DadsApril 16, 2024

        Weight matters for xc and kids. The Woom is light with proper cranks length. As soon as he starts descending enduro trails, its full suspension time.

        Reply
  2. Michael KelleyJune 12, 2022

    Hi do feel this cassette is worthy up an upgrade to a portail 10 speed or a more climb oriented cassette? We own the bike but it seems it could benefit for some expanded range like a 9-40. Woom wells an 11-40 as well. Curious your thoughts sir.

    Reply
    1. The Bike DadsJune 14, 2022

      Don’t see why not if the kids are running out out of gear.

      Reply
  3. MelikFebruary 18, 2022

    Hey anyone have the weight for a Woom 5 Off Wheel?

    Reply
  4. BengaApril 26, 2021

    Hi!
    My kid’s height is 137 cm, inseam 61cm.
    Anyone who experienced this dilemma…should i go for woom off5 or woom off6
    Thanks for the advice.

    Reply
    1. ColinApril 26, 2021

      Size up as the benefits of the big wheel diameter and ability to grow with the bike a bit is a clear advantage. You can always grab a cheap seat post and railed seat or pivotal post/seat and save an inch of minimum seat height as the woom post/seat assembly is not that low profile.

      Reply
      1. bengaApril 27, 2021

        thanks!!
        I’ll give it a try

        Reply
  5. MikeApril 19, 2021

    Hi, what would be the right way to compare the Woom off to a Spawn Yama Jama?
    Both in 20 and 24?
    Seem super compareAble but Yama Jama costs so much more

    Reply
    1. ColinApril 20, 2021

      Hi Mike,
      General comparisons is woom has a higher stack and thus more upright riding position (good for beginner mountain bikers on XC style terrain), its a really light bike with a great performing fork at a good price. The Spawn has a lower stack which allows more advanced riders to weight the front end more for traction while descending. It also has a clutch derailleur to keep the chain on and quiet the bike. Equally great fork if not a little better in both 24 and 26, better brakes, tubeless tires and rims (limits punctures), dropper post compatible, and a much lower minimum eat height due to the pivotal seat but….much more expensive. Really depends on where you live, what you ride, kiddos skill level on which bike to pick. Both have amazing resale value.

      Reply
      1. MikeApril 20, 2021

        Wow Colin, that was quick!

        Looking at a bike to ride green, and progress to blue trails at Silverstar and Sun Peaks bike parks next year.

        Feel that a fork on a 20″ would be a must for my 5 year old, now on to figure if the stack height would make that much difference vs the price

        Reply
        1. ColinApril 20, 2021

          Spawn for sure if bike park is a goal. the geometry and little extra weight is more stable. Plus better brakes and clutch derailleur. Sun Peaks is really not a great place for kids that young, I’m not even sure they even allow kids that young up there. The Blue rating there is really tough. Start at Silver Star for sure but really consider waiting til you know they have the skills for it to be a safe introduction.

          Reply
          1. MikeApril 26, 2021

            Thank you Colin!

            Any thoughts on Yama Jama 20 vs RMVertex 20/ RM growler 20/ Norco Charger in 20?

            At your advice I’ve gotten a towwhee rope, and enjoy towing my kid up, can’t wait till we can ride lifts!

          2. ColinApril 26, 2021

            Money no object, its the Yama Jama 20. Growler is heavy coil shock, don’t bother. Vertex is excellent value with the air fork. They don’t make the charge anymore but a great bike in 2019 model wit air shock.

  6. Matthew RosenthalJune 23, 2020

    Hi Stephanie,

    Thanks for the great review. I was all set to get my son a Woom Off for his 5th birthday in July but they sold out in minutes last week. Sigh…. Any thoughts on how the Woom Off compares to the Early Rider Seeker 20? We will use the bike on some tame to moderate cross country single track and around the neighborhood. My son is about 46 inches but only 42 pounds or so and has been using his Islabike Conc 16 on the trail (doing really well but getting bounced around a bit). Looks like the Early Rider weighs a bit more but at 19 pounds is still pretty light. Curious to hear your thoughts or if you have any other bikes you would recommend

    Reply
    1. ColinJune 23, 2020

      Hi Matthew,

      The Seeker is a really nice bike. Comparatively, the seeker is a bit heavier (not much) but you get a better derailleur (GX with Clutch), more gear range, tubeless capable tires, quick release seat post, better grips and a lower min seat height. The woom wins on brakes as they are hydraulic (will not matter for xc riding) and comes in at a lower price. Both awesome bikes for similar terrain. During these times, I would get what comes available first, you will be happy either way.

      Reply
      1. Matthew RosenthalJune 23, 2020

        Thanks so much for the quick response and info. I was really bummed about missing the Woom and was worried I had to pay more to get less with the Seeker. Nice to know they compare similarly and the Early Rider even has some advantages. Makes me feel better. Are there any other bikes in the price range you would recommend over these? Cheers!

        Reply
        1. ColinJune 24, 2020

          For sure, check our 20 inch page for recommended bikes.
          https://thebikedads.com/kids-20-inch-bikes/

          Reply
  7. StephanieMay 5, 2020

    How do you think the woom off 4 compares to the prevelo Zulu 3? I know the weight is different but in your opinion how does that factor in for a kid? And how do the other differences in these two bikes compare? Thanks!

    Reply
    1. ColinMay 6, 2020

      Hi Stephanie, Firstly, these are both great bikes. The woom does have the weight advantage which matters for novice and little bikers. The woom also has fork with rebound dampening which is nice and has the 60 mm of travel where the prevelo fork does not have rebound dampening but has 80 mm or travel. The Prevelo’s head angle of 66 degrees is more slack and better for steeper terrain where the woom is 68 degrees and more appropriate for flatter slower speed terrain but this is a subtle nuance and both bikes will do well for most kids wanting to MTB. The Prevelo has a better derailluer with a clutch to keep the chain from slapping or bouncing off which is nice if kiddo is charging downhill. Prevelo also has nice finishing touches like quick release at seat post and lock on grips that don’t twist on the bar.

      Reply

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