PROMETHEUS LU:MO 20-Inch Children’s Bicycle – Teal Sapphire with Integrated LED Lighting (7 Gears, 7.9 kg)

When safety meets design and a child’s freedom blends with engineering precision – LU:MO is born.

From the German brand PROMETHEUS comes a revolution in the world of children’s bicycles – the LU:MO series with industry-unique integrated LED lighting. The Teal Sapphire model (mint green & navy blue) combines an ultralight construction (only 7.9 kg), safety, ergonomics, and modern Scandinavian-inspired sporty design.

This is not just a bicycle.
It is confidence for parents and a sense of freedom for children.

Unique Design & Style – Premium Urban Adventure with Integrated LED Technology

The LU:MO 20″ is designed for children from approximately 6 years of age (from 115 cm tall) who want to be independent, fast, and safe.

Premium Urban Adventure style with a technological edge:

• Integrated LED front light in the handlebar (150 lm, 2 modes, 4–6 h runtime)

• Rear light integrated into the seat post (up to 15 h, 220° visibility)

• USB charging – no battery replacements, no rattling, no “I forgot to turn it on”

• RAINBOW REFLECTIVE LU:MO decals – visibility from any angle

• Gold anodized components and smooth welding (visually seamless welds)

Designed so that:

• the child feels safe and independent,

• the environment is aesthetically appealing,

• movement encourages curiosity and exploration,

• riding becomes an adventure rather than an obligation.

Practical Use – What Does It Mean in Everyday Life?

For the Child:

• Extremely lightweight (7.9 kg) – easy to start, maneuver, and stop

• 7-speed microSHIFT gear system with intuitive twist shifter

• CNC V-brakes with adjustable, child-friendly brake levers

• Ergonomic geometry for proper posture

• Adjustable Vario stem (0–60°) – grows with the child

For Parents:

• Maximum visibility at dusk and in darker weather conditions (StVZO-compliant lighting)

• Internally routed cables – fewer damages, less maintenance

• High-quality industrial bearings – longer lifespan

• USB charging – simple everyday use

• Durable construction – built to last for years and can be passed on to the next child

Choosing the Right Size

Recommended height: from 115 cm
Minimum inseam length: 55 cm

A properly fitted bicycle:

• improves balance and coordination,

• strengthens self-confidence,

• reduces the risk of falls,

• supports independence and responsibility.

Technical Specifications

Age: From 6 years
Frame height: 245 mm
Seat height: 610–720 mm (quick adjustable, QR clamp)
Weight: 7.9 kg
Color: TEAL SAPPHIRE (mint green & navy blue)

Integrated Lighting

Front: 150 lm, 2 modes, 4–6 h, 2000 mAh, Micro-USB, StVZO compliant
Rear: 2 modes (3/5 LEDs), up to 15 h, 750 mAh, 220° visibility

Frame & Construction

• AA-6061 triple-butted aluminum

• Internally routed cables

• Smooth welding technology

• Fork: AA-6061 aluminum, “Unicorn” construction

• Seat post: 27.2 × 300 mm, anodized, anti-rotation

Drivetrain & Brakes

• 7-speed microSHIFT

• KMC 7s chain / 11–28T cassette

• CNC V-brakes

• Adjustable 3-finger CNC brake levers (32 g)

• THUN industrial cartridge bottom bracket (Made in Germany)

Wheels

• 20″ aluminum double-wall rims (CNC)

• BBHtec hubs with sealed bearings

• Schwalbe Little Joe 20 × 1.4″ Reflex tires

• Schrader (AV) valves

Additional Safety Features

• White front and red rear reflectors

• Reflective pedals

• Reflex tire sidewalls

• RAINBOW REFLECTIVE frame elements

Sustainability, Quality & Safety

LU:MO is assembled in Germany with the highest precision.
It uses premium, long-lasting materials:

• AA-6061 aluminum (recyclable)

• Anodized components (no toxic paints)

• Sealed industrial bearings – reduced wear

• USB-rechargeable batteries – less waste

Complies with:

• EU bicycle safety standard EN ISO 8098

• StVZO lighting requirements

• CE safety requirements

This is a bicycle built to last for years – and with its quality, it can become a family value passed down to the next generation.

Why Choose PROMETHEUS?

• Industry-unique integrated LED system

• Ultra-low weight

• Premium components (MTB-certified parts)

• Assembled in Germany

• Design children love and parents trust

LU:MO is not just another children’s bike.
It is the fusion of safety, technology, and a child’s freedom.

If you are looking for a lightweight, safe, sustainable, and visually outstanding 20-inch bicycle – this is one of the best premium-class solutions in Europe.