Originally Posted by
friday1970
The only bad part is making sure you shift to the gear you need before a hill. Shifting gears with DTs on an uphill climb isn't the best.
It is just as hard on your drive train when shifting under load with modern indexed shifters. The derailleur doesn't know what type of shifter you are using. You just don't feel it in your fingers as as much as you shift with modern indexed shifters.