ColinJ
Puzzle game procrastinator!
- Location
- Todmorden - Yorks/Lancs border
But we are neglecting the buoyancy of the inflated tyre ...It is 1.440kgs with tyre deflated so the air weighs 7grs!


(Light wheels are nice, but a few grams here or there are not going to make much difference. Hundreds of grams, I definitely notice - trying to spin up the chunky tyres/wheels on my MTB takes a lot more effort than those Protons do on a road bike.)