A few related questions:
I've recently installed a pair of nice and fast rolling, but rather heavy tyres. Due to their lower rolling resistance I'm probably a little faster on tarmac than I was, but I was thinking of swapping the front tyre for a lighter version (kevlar band rather than rubber belt). This would save about 350 grammes and still get some puncture protection.
Will losing the weight on just the front still make an appreciable distance (hey physics isn't my strong point )?
Are there any studies on weight of tyres vs speed?
Presumably rotational weight's biggest negative influence is when climbing (not my forte) and initial acceleration, whilst on the flat under power it's less obvious and downhill it's an advantage?