Originally Posted by
jack002
That's the "large/large" chain combination, you should never use it. You get the same ratio with the small chainring and one of the medium cogs. Most modern bikes are not intended to ever be shifted into that combination. (The 10speed cassettes have even more restrictions like that as I understand)
so touching is normal ? I am not going to use it but it seems to be one of the elements to show if the gear shifting mechanism is working perfectly? no?