Giant Numen+ Hl 1.5 Rechargeable Headlight

USB - Universal Serial Bus

LED - Light Emitting Diode - a small light source

Battery - A device used for the storage of electricity

USB - Universal Serial Bus. A method of connecting a device to a computer

LED - Light Emitting Diode. A bulb that is very efficient at producing light. Often small.

Rechargeable - Something that can be charged back to its original state, e.g. batteries.

Li-ion - A rechargable battery. Popular in portable electronics combining one of the best energy densities and not suffering memory effect. Very slow loss of charge when not in use.

Cyclestore is a leading online cycle retailer, selling a large range of bicycles, bike accessories, components and clothing, together with camping and hiking equipment and ski and snowboard accessories. Cyclestore brings over 20 years shop trading experience to its online store, and the knowledgeable and helpful staff are able to answer technical queries relating to all bikes and equipment. The range of bicycles includes mountain bikes including full suspension and hard tail mountain bikes, road bikes with light, streamlined designs for fast speeds, sports hybrid bikes, comfort and leisure bikes, BMX bikes, folding bikes and touring bikes, with brands including top names such as Kona, Mongoose, Raleigh, Specialised, Giant, Carrera, Dahon and Dawes. The large range of bike accessories includes bags and panniers, bells and mirrors, bottles and hydration packs, helmets, lights, locks, cleaning accessories and pumps. Personal accessories include cycle shoes, sunglasses, reflective and safety wear and body armour.