You can just about ask anything, except: a) optimum tax disc location b) best tyres c) what oil Sometimes you are allowed to ask about tyres, but only for an evaluation of a specific brand and model. Have fun.
Haven't seen that one, so maybe it is. Would depend on what bike you have. I still have the 916 one, for single-sided swingarm (in the hope that I one day have another one) and one for the 999.