Vždyť je toho plný strejda - https://www.google.cz/search?num=30&newwindow=1&source=hp&ei=TenVW-SVGeP1qwHw7oSACA&q=u10w+wireless+cycle+computer+manual&oq=U10W&gs_l=psy-ab.3.2.0l4j0i30k1l4j0i5i30k1l2.1734371.1734371.0.1738175.3.1.0.0.0.0.114.114.0j1.1.0....0...1.2.64.psy-ab..2.1.113.0...0.ecF1oJDnI8w