The Sigma cycle computer features easy installation, but I have (unfortunately not included) made cable ties instead of the supplied rubber. The commissioning was really simple and intuitive, you'd need almost no illustration, language set, set wheel size determined from the attached table and set the time and finished. Installation and start-up with neat cable routing and also fuse (not supplied) cable ties (you need at least 10 pieces) took about 15 minutes. The display is large and rich in contrast and therefore easy to read. I chose the 8:12, because I the zussätzlichen Features: average and maximum speed, and total traveling time wanted and he was only about 2 than the basic model 5:12 ...
