Polygon Cascade 20 - Lightweight Kids Mountain Bike
The Polygon Cascade 20 is a 20-inch junior mountain bike designed to help young cyclists build confidence and enjoy their first off-road adventures.
Featuring a durable AL6 aluminium frame, 40 mm front suspension, Shimano Tourney 7-speed gears and Tektro mechanical disc brakes, the Cascade 20 combines practical components with easy handling for everyday riding.
Its eye-catching blue finish with orange detailing makes this a stylish choice for younger riders.
Lightweight and Durable AL6 Aluminium Frame
The Cascade 20 features Polygon's AL6 aluminium rigid-frame construction, designed for young riders.
Why it matters: The aluminium frame combines durability with manageable weight, while its junior-specific geometry supports comfortable and confident handling.
40 mm Front Suspension
A front suspension fork provides 40 mm of travel to help absorb small bumps and uneven surfaces.
Why it matters: Suspension improves comfort when riding over rough pavement, park paths and suitable light off-road terrain.
Shimano Tourney 7-Speed Gearing
The Cascade 20 features a Shimano Tourney 1x7 drivetrain with a Revo twist shifter and Shimano Tourney TY200 rear derailleur.
The drivetrain includes a 30-tooth alloy crankset and a 14-28T 7-speed rear gear cluster.
Why it matters: Seven gears give younger riders useful options for hills and flat sections. The single front chainring simplifies shifting because there is no front derailleur to operate.
Tektro Mechanical Disc Brakes
The bicycle features Tektro mechanical disc brakes with TS-325A three-finger brake levers and 160 mm six-bolt rotors.
Why it matters: Disc brakes provide controlled stopping performance, while the three-finger levers offer a practical design for younger cyclists. Proper lever reach and brake setup should be checked for each rider.
20-Inch Double-Wall Alloy Wheels
The Polygon Cascade 20 uses double-wall aluminium wheels with Kenda K1047 20 x 1.95-inch tyres.
Why it matters: Double-wall rims provide additional durability, while the wide tyres offer traction and comfort on roads and suitable light trails.
Comfortable Riding for Young Cyclists
Polygon's junior-oriented frame geometry encourages a comfortable riding position and confident bicycle control.
The Cascade 20 is suitable for recreational cycling, neighbourhood adventures, parks and introductory mountain bike riding. It is not intended for aggressive downhill riding or large jumps.
Complete Technical Specifications
- Model: Polygon Cascade 20
- Colour: Blue with orange detailing
- Frame: Polygon AL6 Aluminium Rigid Frame
- Fork: Suspension fork, 40 mm travel
- Wheel size: 20 inches
- Shifter: Shimano Tourney Revo Twist, 1x7-speed
- Rear derailleur: Shimano Tourney TY200
- Crankset: Alloy, 30T
- Rear gearing: 7-speed, 14-28T
- Drivetrain: 1x7-speed
- Wheels: Double-wall aluminium rims
- Tyres: Kenda K1047, 20 x 1.95 inches
- Brake levers: Tektro TS-325A, three-finger
- Brake calipers: Tektro mechanical disc
- Brake rotors: Tektro TR160-52, 160 mm, six-bolt
Frequently Asked Questions
Is the Polygon Cascade 20 suitable for children?
Yes. The Cascade 20 is a junior mountain bike with 20-inch wheels and child-oriented geometry. Suitability depends on the child's height, inseam, confidence and ability to operate the brakes safely.
Does the Polygon Cascade 20 have suspension?
Yes. It includes a front suspension fork with 40 mm of travel to help absorb bumps on uneven roads and light trails.
How many gears does the Polygon Cascade 20 have?
It has seven rear gears operated by a Shimano Tourney Revo twist shifter. Its single front chainring makes the drivetrain straightforward to use.
Does the Polygon Cascade 20 have disc brakes?
Yes. It uses Tektro mechanical disc brakes with 160 mm rotors.
Can the Polygon Cascade 20 be used off-road?
Yes. It is suitable for introductory mountain biking on appropriate paths and light trails, as well as everyday recreational riding. It is not designed for aggressive downhill or jump riding.
What tyres does the Polygon Cascade 20 have?
The bicycle comes with Kenda K1047 tyres measuring 20 x 1.95 inches, offering useful comfort and traction for junior riders.
Where can I buy the Polygon Cascade 20 in Malta?
The Polygon Cascade 20 is available at Wheel Wizard Malta in Birkirkara, with specialist advice, bicycle assembly and workshop support.
Specifications follow Polygon's official manufacturer configuration and may be subject to component substitutions.