Originally Posted by
operator
100% Fail.
Either you have no idea what proper shifting is supposed to perform like or your tool blows. On 10/11s systems a small amount of hanger alignment will cause the shifting to degrade.
Yeah, the more rear cogs your bike has the more perfect the hanger alignment has to be. I can eyeball a 7-speed hanger but i need to use a gauge to get a 9 or 10-speed to index to my satisfaction.