REACTION 200
PRO

ArtNo. 1152200

prizmpolished´n´red

available from December 2026

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REAL FUN
RIDING

The Reaction 200 is made from the same kind of heat-treated 6061 aluminium tubes that you'll find on our performance adult bikes. We also use the same mechanical tube-forming process to adjust tube shapes for the best combination of strength and weight. There's a full carbon fork with thru-axle, to save even more weight. Disc brake mounts and cable routing allow for the greater safety and stopping power of discs. And a replaceable derailleur hanger insures against expensive repairs in the event of minor mishaps.

Frame Material Aluminium Lite

Wheels 20''

Expected to be available from 12 26

Details

With its emphasis on low weight and child-friendly controls and components, your young mountain biker will love the Reaction 200 Pro. It looks great, but what they'll really notice is that it fits properly and responds brilliantly. This is no lookalike. It's the real deal, and that's a difference you'll be able to see in their riding...

Details

With its emphasis on low weight and child-friendly controls and components, your young mountain biker will love the Reaction 200 Pro. It looks great, but what they'll really notice is that it fits properly and responds brilliantly. This is no lookalike. It's the real deal, and that's a difference you'll be able to see in their riding...

REACTION 200

Kids are tough. They also like to push their boundaries – and that's why they need a bike that's tough, too. The Reaction 200 Pro has the light weight and durable, easy-to-use components that will allow a young rider's skills to grow. There's a full carbon fork with thru-axle, for a more comfortable ride. Wide-ranging, smooth-shifting 1x8 gears. Grippy Schwalbe tyres, wheels built with Newmen rims and powerful disc brakes. And handlebars, saddle, cranks and grips that are all perfectly proportioned for a growing rider, so they'll be comfortable and in full control. Bring on the fun.

Frame

frame

Aluminium Lite 6061

There's aluminium, and then there's CUBE Aluminium Lite. This heat-treated 6061 aluminium is stiff, fatigue-resistant and, because of its natural corrosion resistance, a great material from which to make lightweight tube sets – and bicycle frames. And it does all this without adding unnecessary weight, so you can get the best enjoyment out of your CUBE.

Cables connect your handlebar controls to vital components like gears and brakes, but there's no need for them to get in your way. With Internal Cable Routing we've reduced clutter and maintenance by running cables through the frame, keeping them out of the way of dust and water contamination – or damage from abrasion – as well as cleaning up your bike's appearance.

For off-road riding you need a bike that responds quickly, but also feels stable and secure. That's where Agile Ride Geometry comes in. Offering an ideal blend of on-demand steering precision, climbing agility and descending stability, it's perfect for every rider who values their time on the trail. If you're a mountain biker, you'll instantly feel at home...

One standard for all: gear hanger replacement made easy thanks to the innovative Universal Derailleur Hanger. With a design that includes some room for pivoting to help prevent chain jams, it improves shifting performance and works with all drivetrains. Best of all, it's a standard part that is available anywhere.

size

20"

Rigid fork

CUBE Kids Carbon, 1 1/8", Internal Cable Routing, Flat Mount Disc, 12x100mm

Drivetrain & brakes

brake system

Tektro HD-M275, Hydr. Disc Brake (160/160)

rear derailleur

Microshift Acolyte RD-M5185S, 8-Speed

shifters

Microshift Acolyte SL-M6280-R

bottom bracket

Thun Paso-ML, 68mm, BSA

crankset

Prowheel A105, 32T, 114mm with Chainguard

cassette

Microshift Acolyte CS-H083, 11-38T

chain

KMC Z8.3

Cockpit

headset

CUBE A-Headset

Stem

CUBE Aluminium Lite

handlebar

CUBE Kids 540mm, Ø 19mm

grips

ACID Nuro Rookie 19.0

Wheels

wheelset

Newmen Evolution X.A.25, 24/24 Spokes, Tubeless Ready

tyres

Schwalbe Rocket Ron Kevlar, 2.25

Finishing kit

saddle

CUBE Kids

seat post

CUBE Aluminium Lite, 27.2mm

pedals

CUBE PP MTB

Product information

colour

prizmpolished´n´red

weight

8,2 kg

Art. No

1152200

Due to unforeseeable supply chain issues, the bike may be delivered with modifications.

More Information

Bike category of use: 2Y

You can find more information about Bike Classification at the following link.

More Information

30
kg

Maximum rider weight

The rider weight refers to the weight of the rider including clothing and any equipment worn on the body.

Please see the table for information on the distribution of weight across the system in conjunction with compatible accessories (luggage carriers, bike trailers, etc.).

System weight table

This children's bike is a OneSize model suitable for kids up to the following maximum measurements:
HEIGHT: 111-124
INSEAM: 49-57
Please note this information is only a general recommendation. It cannot replace a personal consultation and test ride with a CUBE dealer.

Geometry

	20"
Seat tube	258
Top Tube Horizontal	438
Seat angle	73.5°
Head tube angle	72°
Chainstays	374
Head tube	105
Wheelbase	854
BB-Height to Hub	20
Protrusion height - 80mm	529
Reach	327
Stack	417