Are the disc brake pads from Strida EVO replacebles?
The seller from these ones, don’t know if they work in Strida EVO.
Correct, if you see compatible with “Hayes MX2/MX3” they must fit 
Also correct that the calipers were changed recently, but I bet they’re still using the same pads.
Re: Disc brake caliper lever bumps into caliper body
Re: Rear disk brake wearing fast on 5.0
http://stridacanada.ca/?product=strida-brake-pads