Originally Posted by

**burnthesheep**
2. One thing sticking out to me like a sore thumb here is that your TSS was 250 for about 2.5 hours. The definition of threshold and TSS calculation dictates that one hour of threshold (ftp, one hour max) is 100 TSS per hour. So, this says your ftp is set way way way too low. Test, reset, take a look at the new numbers.

TSS is calculated off NP. Which in this case is just 7 watts below his FTP. He also posted a max power of 1099, which greatly distorts NP. So, FTP may be fine.