Video: Groms Going Big on Propain's New Yuma in 'It's Playtime'

Jun 22, 2021
by PROPAIN-Bicycles  

Words by Propain

As one of the first mountain bike manufacturers who has dedicated so extensively to the kids segment, we are very proud to present the third generation of the Yuma. Our goal was and still is to build a kids mountain bike that is in no way inferior to the big ones.

“The perfect playmate for your next adventure, whether on the pump track, in the bike park or in the woods behind the house. With the Yuma, you’ll suprise mum and make dad proud. Grab your Yuma and have a great time you’ll never forget.” – That’s probably the best way to describe the Yuma.

The Yuma is a children’s full-size bike that is in no way inferior to its big role models. Originally developed for the kids of PROPAIN founders, today it’s a full-fledged mountain bike for the motivated gravity youngsters and a popular bike around the world.

Designed for the needs of young Shredders and Senderellas. The lightweight aluminium frame, optimized suspension system and balanced geometry give the rookies stability and security on every ride.

Delivered with 24″ wheels, the Yuma can be easily converted to 26″ wheels by means of flip chip and grow along. So kids have fun for a long time and the parents’ investment lasts. But beware: the moment will come when you realize that your child is faster than you!

YUMA - GROW WITH IT!



Highlights and new features

- Wheel size convertible from 24" to 26" via flip chip
- 140 mm travel front and rear
- Suspension system specially tuned for kids
- Lighter aluminium frame
- Reduced standover height
- Mounting for water bottle holder up to 0.5 l
- Tool bag in frame triangle
- PROPAIN dirt shields
- Frame design: "clean and high-end" design language
- Headtube badges, decal and grip colors configurable
- Two frame colors available (Venomblack & Badmint)
- Internally routed cables
- Frame prepared for internal routing of dropper seatpost
- 3 years warranty


Overall concept and geometry

The lightweight aluminium frame and balanced geometry gives the young shredders confidence and stability. The slack head angle and the low bottom bracket ensure a safe and fun ride. Thanks to the reduced standover height, the kids get their feet on the ground when needed and always have full control over their bike. The optimal length of the top tube in combination with a steep seat angle allow the youngsters an upright pedal position and an optimal weight distribution over the handlebars when going downhill. The Yuma is a small Enduro Bike and is designed for everything between bike park and rides with the family.

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Wheel concept – Grow with it

Everyone grows and progresses and so does the Yuma.
Our "Rookie Launcher" comes with 24" wheels. By simply switching the flip chip, the bike can be easily converted to 26" wheels. So, the bike grows with you and can be ridden for a long time.

Our recommendation:

24": Body height from 1.25 m up to 1.50 m
26": Body height from 1.40 m up to 1.55 m
The maximum rider weight is 80 kg.


The Grown-Up Kit on 26" wheels can be purchased separately and is not included.





Suspension system / kinematics

The Yuma is suspended by a single link design. A simple system, which is ideally designed for children's bikes. It saves weight and still offers decent progression and sensitivity for the light pilots. In addition, it is easy to maintain and simple to handle.


New design concept and colors

As with our adult models, we are also breaking new ground in terms of design language. The modern design of the Yuma is classy, tidy and dynamic, it can easily keep up with the "big guys". The flat top tube gives the Yuma a sleek and simple look. Color of head tube badge, frame decals and grips are freely configurable. The new frame colors of the Yuma are "Badmint (Matte)" and "Venomblack (Matte)".






Frame features

Internal cable routing
Internal cable routing is now standard on modern bikes. It is the cleanest, safest and most beautiful way to route cables. Since our Kids-Fully is in no way inferior to our adult bikes, we have also upgraded the new Yuma and so the cables now run inside the frame, provide a clean look and are safe from external snags.


PROPAIN dirt shields and Acros bearings
At full throttle through puddles and dirt. The robust Acros frame bearings are also additionally protected by the PROPAIN Dirt-Shields on our kid’s bikes. An extra seal protects the bearings underneath from dust, water and dirt.

Frame protection
Especially with the youngsters, it sometimes happens that the bike hits the ground or is treated roughly. So, we put a lot of attention to protect the frame. A newly developed down tube and chainstay protection are used, which can be easily replaced.
The Yuma also has an ISCG mount for mounting a bashguard or a chain guide.


Always Stay hydrated!
The new Yuma frame now also offers space for a bottle cage for bottles up to 0.5 litres.


Tool Bag
As a little treat, the Yuma comes with a tool bag in the frame triangle. There is space for an energy bar, a small multitool or even a spare tube.

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Specification and prices

We offer our Yuma in one spec. The head tube badge, the frame decal and the grips color are configurable. In addition, there is the option for a tubeless kit from "milKit" - including sealing milk, filling system and valves which are already pre-assembled.

Saddle, seatpost, crank, handlebar and stem still come from "1st Ride", the specialist for kids bike parts.
Also, for the drive train and the braking system we go no compromise and so a SRAM GX 1x11 and a SRAM Guide T brake are speced. The shock from Rockshox and the fork from Manitou round out the suspension.

Newmen supplies the very high-quality and lightweight X.A.25 wheels. These wheels not only look good but impress above all with decent stiffness and stability at record-breaking weight. Traction for the small Fully comes from the VEE Flow SNAP 2.4.

The new Yuma is available for order at a price of € 2,199.00 from 22th of June 2021 in our webshop. Prices outside EU may vary. North America prices are tba.

- Frame weight: 2.7 kg
- Bike weight: 12.7 kg

Please find more information on the website: www.propain-bikes.com/en/bikes/kids/yuma/

Fork: Manitou Machete JUNIT 140 mm
Shock: RockShox Deluxe Select R 140 mm
Brakes: SRAM Guide T 200 mm / 180 mm
Wheels: Newmen Evolution X.A.25
Seatpost: SIXPACK Seatpost
Trigger: SRAM GX (1x11)
Derailleur: SRAM GX (1x11)
Cassette: SRAM XG-1150 10-42
Crank: 1st Ride 155 mm 28Z
Handlebar: 1st Ride 680
Stem: 1st Ride 40
Saddle: 1st Ride Enduro
Tires: VEE Flow SNAP



Development

During development, our frames take extensive laps on our in-house test bench. In load tests totalling over 500,000 cycles per frame, they are tested for stiffness, overload and fatigue. We test all frames far beyond the prescribed standards, so our Yuma is listed in category 5.




25 Comments

  • 14 1
 I would have loved to have a bike (and trails) like this growing up! So cool that the next generation of bikers can have things like this.
  • 7 0
 Lets be honest, "the next generation" in this case is confined to offspring from 1-10%ers + the few with parents who buy bikes to invest in their kids' development.
  • 2 1
 @mi-bike: I agree with you to a point - my parents would never have paid £2k on a bike, and it's a lot of money for something they'll grow out of - helped here by the progression of 24 to 26inch wheels.

That said, there are a lot more mountain bikers now than there were when I was a kid. And bikers who have kids understand this struggle, but we also know about re-sale values etc, so are more likely to buy nicer bikes for their offspring.

I think 1-10% is underselling it a bit
  • 3 0
 @RadBikeBro: Your right, It not that bad once you buy in. Our sons bikes have always gotten a 70% return. Plus all the upgraded components move up to the next bike as we keep the stock stuff. We're defiantly not even close to 1-10%ers but for out family it worth it.
  • 6 0
 It is easy to be mega over sensitive to things nowadays but did anyone else see the girl open the door and think "wow this is going to be cool seeing a girl shredding as well". Nope push her out the way, cool dude #2 coming through.

That aside, great video that sums up riding as a young 'un and a bike I am sure us old farts would have loved when growing up
  • 1 0
 This bike, the rocky mountain reaper and the marin rift can all take 24" and 26" wheels. Loving this concept! Really wanted to grab the Rocky or this Propain. However, you can actually get a Marin right now so I did that. Should arrive in a few weeks. My 7 year old lass is gonna loose her mind. I felt lucky to have a huffy and curb to hop when I was kid.
  • 3 0
 Those kids could fair shred.
Now get the mower out the shed and cut that grass. (Only thing I could do in the video)
  • 2 0
 so if your between 4ft 6 and 5ft 1 should you be on 26" wheels??
just messing around...this bike looks really cool and i would have loved a bike like this when i was young
  • 1 0
 The best part of parenting- spend a bunch of money on a bike for your kid only to have them throw it on the ground out side a store because they want to buy icecream with the $5 they stole out of your wallet.
  • 4 1
 This looks awesome, kids are super lucky now
  • 4 6
 Yep, everything is perfect in their world. Smart phones, awesome media and marketing, and hot summers.
  • 3 0
 Dad's on an e-bike to keep up with the kids?
  • 4 1
 Do groms like being called groms?
  • 3 0
 Do addicts like being called addicts?
  • 1 0
 yes
  • 1 0
 Fits a water bottle and that bag is super useful for the kids to be self-sufficient. I dig it.
  • 2 0
 I'm sorry son but its a bmx bike for you
  • 1 0
 That suspension design looks cool.
  • 1 0
 i wish i could do this lol i feel proud when i clear green jump lines
  • 1 0
 Why not sell it as a 26 as well?
  • 2 0
 Marin sells the rift zone JR in 24 or 26 and has an XS 27.5. It's good to be a kid these days.
  • 1 0
 SO 26" IS STILL ALIVE AND MAKING MONEY
  • 1 0
 Needs an idler pulley.
  • 1 0
 FANTASTIC!
  • 1 2
 once again, the bike industry does a *sexism*

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