Comment by deathanatos
4 hours ago
… I have a modern bike (a Specialized). The tires' rated range is 75psi to 100psi. I usually pump it to around 80–85psi. The tires are 33mm.
4 hours ago
… I have a modern bike (a Specialized). The tires' rated range is 75psi to 100psi. I usually pump it to around 80–85psi. The tires are 33mm.
You're overinflating your tires. A lower pressure will increase your speed and efficiency unless you're riding in a velodrome. Here's a video about this:
https://www.youtube.com/watch?v=7r8f3w89XeM
(watch out, there's a lot of extra stuff in this video about the machine they use to measure efficiency)