Oxford ultratorch usb silicon led set frsilicon rechargeable 1 led light set for handlebar and seatpost fitting from oxford features front handlebar fitting rear seatpost fitting1 x super bright led visible from 500m usb rechargeable lithium battery fulldipped beam and flashing modes 9hr battery life flash 7hr battery life dip beam 5 hr battery life main beam no tools required buy oxford accessories from chain reaction cycles the worlds largest online bike store