Yes at the stokid there are 2 calipers again. Your right. I'm not sure if I should do it this way again, because the german law says "... two of each other indipendent brake systems ..." and a single disc is not that indipendent. But on the other hand there are at least 2 brake systems and both working on the more effective front wheel. Cheers, Steffen Hope, you had a nice first advent.