NiteRider HeadTrip 10 watt halogen single beam helmet light. Comes with helmet mount (also included handlebar mount but unit is more designed for helmet), rechargable battery and charger. Battery can be carried in Camelbak or jersey pocket. Has up to a 2.25 hr burn time.
This is an integral part of a bike lighting system as it allows you to see around corners while your bike light points in front of you. $40
PM if interested
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