Tire Sparx attach to your bicycle valve stem and come to life whenever the wheels turn. Flashing lights as the wheels spin creating spinning trails of light as you cycle.
Each pack includes two Tire Sparx fitted with 'try me' batteries and an extra set of batteries to keep you flashing.
* Motion activated flashing lights
* Available with red, green, blue or multi-color lights
* 2 sets of batteries included
* Increase visibility at night