SKS SMARTBOY MOUNT PLUS INCLUDING SMARTPHONE BAGSKS: Full view? But of course! The plus version of the SMARTBOY smartphone holder from SKS provides storage space for keys, money and other small items. Especially practical: there is even space for a flat powerbank. The SMARTBOY can be mounted on the handlebars of a bicycle or a wheelchair tool free. The smartphone pouch is mounted on the holder using a strong hook and loop fastener. The telephone can be used through the transparent film. Larger