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.
About 13 seconds on a 40min climb. Whether that's important depends if you're racing or riding in a competitive event where you're trying to maintain contact with faster riders. A 13 second gap could mean the difference between staying with and being dropped from a group. If you're dropped the ultimate time difference will be far greater.