Originally Posted by
brokewheelspoke
Edit: So I have a pair of 4700 model 10 speed shifters. I must have had the 4600 back in the day, because it was before the 4700 was released.
Basically your RD options to run those shifters (4700) on 10 speed are a 4700 RD or 11 speed road RD but still using a 10 speed cassette