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exteroceptive
Scilly.Suffolk
Roadlite tyres 25mm 340g real weight 345g claimed. real width on 17 to 19mm internal width rims 27 to 27.5mm wide and height 24mm. rolling resistance at 80 psi with 40 kg of load at 30 kph is 13.7W.
Formula Pro RBCC
25mm tyre 275g - real width on 17 to 19mm internal width rims 25mm and height 22mm. rolling resistance at 80 psi with 40 kg of load at 30 kph is 15.2W.
The Roadlite roll a little faster, but the RBCC look to have some improvements and be a better tyre in general terms.
I've not tried the Roadlite, but the RBCC are outstanding in every regard, even fitting them was a PoP.
You don't say what series brakes you have, but I assume they're all easy to measure.