Loving it. I bought it because I had to upgrade my drive train. I had moved to a 1 X 10 setup and didn't have the low end to climb (32t up front). I got the oneup 42T kit and it wouldn't shift right. So I bought this derailleur and the oneup radr cage. Shifting has been flawless. Really should get this and the oneup setup if you are planning on going 1 X 10 on your drive train.