Thanks do much to everybody for all this attention to my questions.
I think I will able to try a bit the sirrus indoors, nothing for the bassano. Another doubt is the crankset, tiagra 34-50 on the bassano, Unknown Sram 34-48 in the sirrus. Am i going to note more speed in the bassano by using the 50 over the 48? Itīs only a bit bigger