Originally Posted by StanSeven

Good question! I'll tell you my experience. I'm a long time cyclists and triathlete and thought I had my fit dialed in. I had no pains from self-adjustments over the years and felt pretty comfortable. A year and an a half ago I decided on a new bike. The dealer included a Retul fit combined with the Guru system. It took over three hours and by the end, I was in a different position.

My power increased just during the session from beginning to end. The Retul sensors and video showed one leg/knee movement wasn't aligned like the other. At higher power levels, I started losing smoothness. I ended up with my saddle moved back, the seat moved slightly higher, cleats moved to a different position, added over the counter shoe inserts, and the bars dropped. After over 20 years of self-adjustments where I was happy and content, I found out it wasn't right.