Originally Posted by tankist

I have Orbea Orca carbon bike with SRAM Force eTap AXS and Fulcrum Race 4 wheels. The bike is very comfortable but feels a bit sluggish compared to my other older road bikes. Maybe this is because of heavier disc brakes vs lighter rim ones on the other bikes. Maybe because of 32mm tires with lower pressure vs 25 with higher. I'm wondering would there be a noticeable difference if I upgrade the wheels to carbon like Fulcrum Race Zero? These wheels are quite more expensive - would they be worth it? I'm looking for more sporty ride.