Components 24" Frame Carbon fiber reinforced polyamide (PA66 ICF40), made in Germany Fork Carbon fiber reinforced polyamide (PA66 ICF40), made in Germany Paint High VIZ paint finish with increased visibility of +200% Gear shifting system Microshift Acolyte Speed RD-M5180S with shorter shift arm, specially designed for small wheel sizes Lever Microshift Acolyte Quick Trigger Pro Shifter specially designed for children with a shortened grip width, rubberized shift levers, and gear indicator Cassette 8 speeds with ratio 11-34 Crankset Crank length of 140 mm with 32 chainring and integrated chain guard Crank length of 152 mm with 32 chainring and integrated chain guard Pedals Made of sturdy polypropylene with anti-slip pins, optimal grip, and integrated reflectors Brakes 160 mm diameter hydraulic Centerlock disc brakes at the front and rear; Adjustable grip width for children's hands for safe braking Handlebars and grips Aluminum handlebar 58 cm wide with 50 mm rise and 25.4 mm diameter on the stem and 21 mm in the grip area for a child-friendly grip Aluminum handlebar 62 cm wide with 50 mm rise and 25.4 mm diameter on the stem and 21 mm in the grip area for child-friendly grips Stem "GROW" growth stem with 3 adjustable handlebar positions for safe riding and correct ergonomic growth Seat post Aluminum seat post 300 mm long with a diameter of 31.6 mm and marking system for seat height suitable for handlebar position Aluminum seat post 350 mm long with a diameter of 31.6 mm and marking system for seat height suitable for handlebar position Saddle "Junior Eco" model by Selle Monte Grappe Wheels 32-hole 24-inch rims with Shimano HB-QC300 hub and quick release with screw axles for increased theft protection 32-hole 27.5-inch rims with Shimano HB-QC300 hub and quick release with screw axles for increased theft protection Lighting Automatic lighting system compliant with STVZO standard with built-in battery in the diagonal tube for perfect lighting and visibility with a range of about 12 hours Front light Spanninga Axendo 30 with integrated front reflector with a luminous power of 30Lux for lighting up to 70 meters Rear light Integrated li:on rear light with 150 COB LEDs with start and cool-down sequence and battery level indicator Battery light Removable battery integrated into the diagonal tube; Approximately 12 hours of autonomy and easily rechargeable via USB-C