Sherlock Holmes and the Case of the Missing 25 Watts

Having only had a minimal amount of rides on my new bike, I took the opportunity to play around with the set up today.

After dropping the stem to a more 'racy' position, I calculated my correct seat-post height, then made a few further minor adjustments to ensure it was comfortable. The upshot of this is that I found out that my saddle was 2cm too low.

A bit of research online suggests that this could have been costing me about 25 watts of power. You have no idea what I would've given for an extra 25 watts on Semnoz...