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Trail-ready 20in kids mountain bike with Suntour suspension fork, strong junior hardtail frame and confident off-road handling for Derby family rides and trail progression.

Trail-ready 20in kids mountain bike with Suntour suspension fork, strong junior hardtail frame and confident off-road handling for Derby family rides and trail progression.

Cube

Cube Reaction 200 TM Kids Bike Golden Time Black

£849.00
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Cube Reaction 200 TM Kids Bike Golden Time Black

Season:2026

Brand:Cube

Code:85211020

Cube Reaction 200 TM Kids Bike

The Cube Reaction 200 TM is a trail-ready kids mountain bike built for young riders who want more control, more confidence and more fun off-road. With 20in wheels, a tough junior hardtail frame and a proper suspension fork, it is designed for real trail riding rather than just paths and parks.

Why choose this product

  • Designed for real trail riding, not just pavement use
  • 20in wheel platform keeps handling manageable for younger riders
  • Suspension fork improves control on rough terrain
  • Light and tough frame makes it easier to handle and ride
  • Ideal progression bike from basic kids MTB models
  • Confidence-building design for developing off-road skills

Who it’s for

This bike is for young riders who are ready to move beyond basic kids bikes and start riding proper trails. It suits children riding forest tracks, trail centres and uneven terrain where more control and stability are needed.

Real-world performance

More control on rough ground

The addition of a proper suspension fork means the bike can handle bumps, roots and uneven terrain more effectively, helping riders stay in control rather than getting bounced around.

Confidence for progression

The geometry and build are designed to help young riders feel stable and secure, which is key when learning new skills and tackling more challenging terrain.

Trail-ready, not toy-like

This is a genuine kids mountain bike, not a scaled-down leisure bike. It is built to support real off-road riding and progression.

Encourages better riding skills

A more capable bike allows young riders to build confidence faster and enjoy riding more, especially when riding with family on trails.

Compatibility and sizing guidance

This is a 20in wheel kids mountain bike. It is best suited to younger riders ready for trail riding rather than beginners who only ride on smooth paths.

Always choose based on rider size and confidence level rather than age alone.

Comparison

Reaction 200 TM vs basic kids bike

This bike offers significantly more control and off-road capability. A basic kids bike is better suited to flat paths and casual riding, while this is built for real trails.

20in vs 24in kids bikes

A 20in bike is ideal for younger riders needing manageable handling. A 24in bike suits taller or more experienced riders ready to size up.

Suspension vs rigid kids bikes

Suspension adds comfort and control on rough terrain. Rigid bikes are lighter but less capable once trails become more challenging.

Is it right for you?

Choose this bike if your child is ready for a proper trail bike and wants to ride off-road with confidence.

Avoid this bike if riding is mostly on pavements or very smooth surfaces where a simpler and lighter bike would be more suitable.

Expert insight

The biggest upgrade for young riders is not always weight or gears — it is confidence. A bike like this helps children feel more in control, which leads to better riding and more enjoyment on every ride.

Buying guidance

Before you add to basket

  • Check the rider fits a 20in bike comfortably
  • Make sure they are ready for off-road riding
  • Consider adding a helmet and accessories
  • Use sizing guidance rather than age alone

Checkout reassurance

  • Fast and free Click and Collect available
  • All bikes fully checked before dispatch
  • Free 6 week check-up included
  • Finance and Cycle Scheme support available

Related products and categories

Browse more in Mountain Bikes or explore Cube Bikes.

Frequently asked questions

What is the Cube Reaction 200 TM best for?

It is best for young riders progressing into trail riding who need more control and capability.

Is this a proper mountain bike for kids?

Yes. It is designed as a real trail-ready kids mountain bike, not just a leisure bike.

Does it have suspension?

Yes, it includes a suspension fork for improved comfort and control off-road.

What size rider is it for?

It is designed for riders suited to 20in wheel bikes. Always check sizing before buying.

Is it suitable for beginners?

It can be used by beginners, but it is best suited to riders ready to explore off-road terrain.

Technical Information
  • Frame
    Aluminium Lite 6061
  • Size
    20"
  • Suspension fork
    SR Suntour Raidon34, 50mm
  • Brake system
    Shimano BR-MT200, Hydr. Disc Brake (180/160)
  • 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
  • Headset
    VP Z-t, Top ZS 1 1/8" (OD 44mm), Bottom ZS 1 1/2" (OD 56mm)
  • Stem
    CUBE Aluminium Lite
  • Handlebar
    CUBE KIDS 540mm, Ø 19mm
  • Grips
    Natural Fit Kids 19.0
  • Wheelset
    Newmen Evolution X.A.25, 24/24 Spokes, Tubeless Ready
  • Tyres
    Schwalbe Rocket Ron Kevlar, 2.25
  • Saddle
    CUBE Kid
  • Seat post
    CUBE Aluminium Lite, 27.2mm
  • Pedals
    CUBE PP MTB
  • Weight
    9,9 kg
Sizing Information
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