I recently purchased a Giant Sedona DX 2016 hybrid bicycle from my local cycle store. The bike has a SRAM PG-820 11x32, 8-speed cassette on it, as well as Shimano EF51 shifters, Shimano Altus front and rear derailleurs, and a Shimano M131, 28/38/48 crankset. I was looking at the EBO Phantom...