The top tube bag Rotterdam Top Sound by the bag expert M-Wave belongs to the upper class of top tube bags without question.
It has a reinforced bottom and a vibration absorbing, soft pad insert assures a riskless transport of items on the inside.
Integrated into the main pocket there is a splashproof smartphone pocket with a viewing window which allows to use the smartphone.
Integrated wide-band speaker
This bag’s highlight is the integrated wide-band speaker. The corresponding jack plug (3,5 mm) is fitting for nearly every mobile phone or MP3 player.
Three Velcro stripes make it possible to attach the top tube bag easily and safely on the top tube or the handlebar and on nearly every bike. The material of the top tube bag and the zipper are water resistant.
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