ByK E-450 MTBD Kids Mountain Bike 20-inch Disc Brakes and Suspension
ByK E-450 MTBD Kids Mountain Bike 20-inch Disc Brakes and Suspension

ByK E-450 MTBD Kids Mountain Bike 20-inch Disc Brakes and Suspension

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The best first mountain bike with disc brakes for the adventurous rider.

E-450MTBD | Age: 6 - 9 years | Height: 115 - 145 cms

Ability Level: Able to ride with some developed skills and has reasonable responsibility. Ready for handbrakes only.

Taking the next step in performance with race level enhanced geometry, high performance hydraulic disc brakes, double butted alloy frame, disc specific rims, lightweight suspension forks and race inspired Microshift Rapidfire 8 speed trigger shifter gears. The evolution of the ByK Mountain series bikes takes on new challenges and exciting adventures.



Committed to the ultimate off road potential, the E450MTBD is a machine that inspires fun and adventure. While the enemy of kids MTB's is typically sluggish handling and heavy weight, the ByK E450-MTBD is seriously light and has the performance to rival a World Cup bike.

Like the entire ByK Range, this is not a scaled down adult bike. Every single component has been considered, tested, custom sized and tuned to suit our rider's profile. Our unique ergonomic riding position and geometry offer a range of riding positions and adjustability unexpected at this size.


We have weighed every single component, measured to a millimeter the geometry and ergonomics and tested on every trail we could find. Our long list of premium components is outstanding.

We have broadened the range of our world class cassette gears 8 speed. We have designed our off-road compatible suspension forks to be compliant and absorbing yet offer handling characteristics that cater for enthusiastic riders. Plus with the great weight savings over comparable bike sizes with clunky suspension offerings, the advantages to the rider of all levels is truly enhanced.

Everything has been considered to make this bike perform in a class of its own. The ByK E450MTBD re-defines MTB fun for kids.


From our responsive handling to increased safety at speed, the ByK MTB Kids Mountain Bike range sets new standards in safety. The innovative frame improves balance and control to help each rider operate at the safest level possible.

To make a children's bike safe, the rider needs to be able to brake efficiently and confidently. The custom-sized Disc-Brakes we have used are calibrated for age, ability and ergonomic fit. And they are made of non-flexing, strong and light alloy. Our light weight alloy rims ensure pedalling is easier, and are therefore safer.

Little Details Count:

  • True cartridge bottom bracket for straighter chain alignment.
  • Microshift Cassette gears for maximum shift accuracy and reliability.
  • Super tough alloy wheels for reduced maintenance.
  • Full grip pedals for added safety.
  • Custom sized grips.


Weight: 11.4kg
Minimum Seat Height: 59cm
Maximum Seat Height: 73cm
Frame : Butted Alloy Frame, Low Gravity Concept Design. Suspension Forks
Gears: Microshift Rapidfire 8 Speed Trigger Shifter Gears
Wheels: Reinforced Alloy Wheels 
Tyres: Lightweight Micro Knobby Design with Tough Tubes
Brakes: High performacne Hydraulic DIsc Brakes
Brake Levers: Max Power Alloy Tektro Custom Sized Levers
Saddle: Adjustable, Comfort XL Midi Deluxe
Handlebars: Custom Width Low Rise V-Bars
Safety Reflectors: Included
Bells: Included