How to know if wheels are rim or disc brake

I'm trying to buy a new wheel set and I can't work out if they're rim brake or disc brake compatible. Any advice? I'm currently looking at these wheels.
https://www.chainreactioncycles.com/fulcrum-racing-sport-cx-700c-wheelset/rp-prod171496?utm_source=affiliate-window&utm_medium=affiliates&utm_campaign=Skimlinks&utm_term=Skimlinks&utm_content=Sub%2BNetworks&awc=2698_1553254249_054e74b91627357bba7ff65792f03f86
https://www.chainreactioncycles.com/fulcrum-racing-sport-cx-700c-wheelset/rp-prod171496?utm_source=affiliate-window&utm_medium=affiliates&utm_campaign=Skimlinks&utm_term=Skimlinks&utm_content=Sub%2BNetworks&awc=2698_1553254249_054e74b91627357bba7ff65792f03f86
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Thank you! So you can only tell by looking at photos? It doesn't mention it anywhere in spec. Are these then not compatible with my rim brakes?
Someone mentioned that on the Questions and Answers section. Really struggling to find a good 700c wheel set that will fit my bike.
Someone mentioned that on the Questions and Answers section. Really struggling to find a good 700c wheel set that will fit my bike.
I didn't even realise they were CX! I thought I removed them from my search but apparently not. That might explain it.
The single seal bearings lasted a predictably short time for an average wet weather UK rider