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Pay in 4 interest-free payments of $6.70 Learn more
Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Lab testing by Fahrrad Zukunft in 2014 showed even the least efficient dynamos only added roughly 3 watts of drag at normal riding speeds (20km/h) with the light switched off

Such data shows no reliable evidence from any jurisdiction that the risk of life-threatening injury has been reduced through the use of helmets

Need a tune up or maintenance

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