There are 21 bends on Alpe d'Huez .
The fact that she was still climbing between her threshold efforts also gives a high average for the whole session , including the easier straights , of 243 .
There are 21 bends on Alpe d'Huez , so the fact that she was still climbing between her threshold efforts also gives a high average for the whole session , including the easier straights , of 243 .