Originally Posted by
rm -rf
The new wheels weigh about a pound less than the old ones. 500 grams is the weight 17 ounces of water. Can you tell the difference on a climb if your bottle is full or mostly empty? It'll cut a couple of seconds off your climb, perhaps.
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500g on wheels <> 500g on bike.
There is a huge amount of side to side movement (change in velocity = acceleration) even when the bike is going the same speed.