Bicycle flashing light 1.High quality and cheap price 2.CE&SGS& ... 4.Fashion design,can be changeable. Colorful silicone rubber bicycle flashing light Specification:1)Product Size(mm): 45(L)*32(D ... , seat, helmet, wheel, hub, etc. ยท 3 operating modes: Slow flashing mode, Fast flashing mode, Constant mode (change mode by pressing the button ...