Originally Posted by VoodooRada

I did the same type of tests yesterday, using a two-mile stretch of road. I found that my best position had the arm rests a centimeter higher than I used in my first TT last month. I increased the height by 5mm each run until my speed started dropping off, then re-ran the course in the prior best configuration to validate the earlier run. My best position took 15 second off my second-best position over the two miles.