because I have used so far only Sigma and this should be for a child's closest acquaintances turned Schenk, came back only sigma in question. His eyes were already unpacking large and he had to be equal to the cultivated new wheel. Duration about 15 min. attachments as usual to mount well and easily (optional rubber ring or cable tie with adhesive pad). The settings on the BC are as easy as operation. the display is easy to read and as always shows a good representation. let's see what the endurance test with respect to cable hergibt because I only use wirelessly. edit follows. to start with a perfect score and recommendation.
