Safe! With the Cube 2 Street CUBE's have a kid's bike specifically developed for maximum safety. The complete safety package keeps the young riders safe and parents more relaxed when riding in traffic. Thanks to the permanent lighting system with SafeStop functionality the child is easily visible and perfectly equipped for the demands of city riding. The Street version has a 7-speed rear derailleur. CUBE offer the heat treated 661 aluminium frame as a blue/red boy's frame or a white/pink girl's frame with easy entry. Regardless of the version, with the Cube 2 Street the child gets the grown up durability and attention to detail that all their frames receive. The best possible safety on the streets has been CUBE's primary goal when designing the Cube 2 Street. Special attention was given to the lighting system with the energy supplied by a generator hub. With the rear lightÅ½s SafeStop function, the bike is easily visible even when stopped at junctions and the pre-installed spoke reflectors boost visibility from the side and when turning. Shifting is via an easy to turn twist shifter that operates the Shimano 7-speed rear derailleur. On the back braking duties are handled by a V-brake while the front features a V-brake with a power modulator. The Standwell rack takes care of all possible transportation needs. With the adjustable center kickstand, the small CUBE bike can be parked easily in front of the kindergarden or school building. And no more extra washing needed after the family ride thanks to the Future Forms mudguards. Aluminium Lite - 661 aluminium alloy requires a heat treatment for the finished product. It is a stiff, very corrosion resistant, fatigue resistant,high-elongation material suitable for light tubesets with high stiffness. Wet Paint Surface - On polished, brushed aluminium and all HPC frames, the logos and graphics are applied in multi-layer wet paint. Cube use this surface treatment technology mainly to save weight. Frame Safe System - To protect Cube's high-end aluminium frames from damage, they are built with the CUBE Frame Save System replaceable derailleur hanger. The mounting thread is in the hanger and not in the frame as usual. In case of a crash, this hanger can be easily and quickly replaced by a new one.