Design and style that inspire movement and independence
The PROMETHEUS PRO 20” kids’ bike stands out with its modern, sport-oriented ergonomic Urban Active Ride style, combining minimalist elegance with professional MTB-segment technology. Its refined color tones give the bike a sophisticated, contemporary character appreciated by both children and parents.
The bike is engineered to help children feel confident, safe, and motivated to move. It is not just a means of transportation, but a tool that develops independence, joy of movement, and curiosity about the world. The ergonomic design, balanced proportions, and visual lightness create an aesthetically harmonious environment where children naturally want to stay active.
Practical Everyday Use – Benefits for Children and Parents
In daily life, this bike becomes a reliable companion:
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Ultra-lightweight – only ~7.7 kg, allowing children to handle, carry, and maneuver it independently
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7-speed system adapts easily to city streets, parks, and forest trails
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Ergonomic geometry promotes proper posture and reduces fatigue
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Child-adapted safety brakes provide reassurance for parents
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Grows with your child – adjustable stem and seat
This means more independence for children and less stress for parents.
How to Choose the Right Size & Impact on Child Development
Recommended for:
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From approx. 6 years of age
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From approx. 115 cm height
A properly fitted bike:
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Develops balance, coordination, and muscle strength
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Boosts self-confidence and decision-making skills
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Encourages interest in nature and an active lifestyle
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Reduces fear of speed and movement
Lightweight frame + ergonomic design = longer, more enjoyable rides.
Premium Quality & Technology
Frame & Construction
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AA-6061 aluminum
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Triple-butted tubes
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Kid-Geometry for child-specific ergonomics
Fork
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Aluminum Unicrown construction
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Lightweight, stable steering
Gearing
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microSHIFT 7-speed system
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Precise twist shifter
Brakes
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PRO aluminum V-Brake
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Adjustable 3-finger brake levers
Wheels & Tires
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Schwalbe Little Joe 20 × 1.4″
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Reflective sidewalls for safety
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Schrader (AV) valves
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Double-wall CNC aluminum rims
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Niro spokes
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BBHtec aluminum hubs with sealed bearings
Drivetrain
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KMC chain
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Sealed cartridge bottom bracket made from BORON steel
Crankset & Pedals
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Forged T6 aluminum
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CNC-machined anti-slip aluminum pedals
Handlebar & Grip
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Riser-type aluminum handlebar
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Ergo grips with palm support
Saddle
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Prometheus Ergo Kid
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Adjustable
Seatpost
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Anodized aluminum
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Laser-engraved scale
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Quick-release mechanism
Stem
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Vario – grows with the child
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3D forged aluminum
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4-bolt clamp
Technical Specifications
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Wheel size: 20”
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Weight: ~7.7 kg
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Frame height: 265 mm
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Seat height: 570 – 730 mm
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Tires: 20 × 1.4″
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Brakes: Aluminum V-Brake
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Gears: 7
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Recommended height: ~115 cm+
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Age: ~6+ years
Included in the Package
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85% pre-assembled
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Tools included
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User manual
Eco Materials & Sustainability
The bike is made from carefully selected, environmentally responsible materials:
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Recyclable AA-6061 aluminum
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Long-lasting industrial bearings
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High wear-resistant tires
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Anodized components without toxic coatings
Its long service life reduces consumption and environmental impact. This is a bike designed to last for years and can be passed down to younger children.
Safety & EU Certification
Complies with all essential European safety standards:
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EN ISO 8098 children’s bicycle safety standard
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CE conformity
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REACH chemical regulation
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Tested brake and frame load parameters
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Reflective elements for visibility
Why Choose PROMETHEUS?
PROMETHEUS is a German brand specializing in premium children’s bicycles with a professional engineering approach:
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Technology derived from adult MTB segment
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Ultra-lightweight constructions
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Child ergonomics research
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High-end components
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Durability and service quality
By choosing PROMETHEUS, parents invest not just in a bicycle, but in their child’s safety, development, and joy of movement.
PROMETHEUS PRO 20” – lightweight performance, safety, and inspiration for movement in one exceptional design bike.
