... 3,Cheap price ,easy use Fashionable silicone led bicycle wheel light Specifications: 1,Product Size(mm): 45(L ... 3V battery 5,Switch: push button on/off 6,Led life :100 000hours7,Material: PP+siliconeFeatures:1,Flexible ... around design. 3,Can be mounted on handlebar, seat, helmet, wheel, hub, etc. 4,3 operating modes: ... available as to customer's panton No. 6,Usage: light up in the dark when you ride a ...