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No battery is needed. No friction on any parts of the bicycle. Based on
a newly invented generator, this light system works regardless the
bicycle's speed and weather conditions (not like normal dynamos!).
our website: http://www.freelights.co.uk
a newly invented generator, this light system works regardless the
bicycle's speed and weather conditions (not like normal dynamos!).
our website: http://www.freelights.co.uk