Edit: The bike is in a place with good mechanics but few shops. As I'm visiting the USA soon, I was thinking perhaps of getting the parts there and having someone competent locally do the repair. I don't have a workshop with pillar drills, nor tools such as crank pullers.
I use my bike for shopping etc, and am no expert. I'm looking for help with a precise description of a broken part, so I know what to buy as a replacement.
I have a crank with a stripped pedal hole. What is the specification I'm looking for to buy a replacement part? Can I buy just the part I've marked in red (which I understand is called crank + spider), or do I have to buy the green part too (which I believe is called the chainring, perhaps belt ring). I don't know what's standardised and what I need to measure or specify.
The bike is a Trek Soho DLX from 2010 with Gates Carbon Drive.
The crank says "Bontrager Nebula" and the back of it has numbers:
This is the pedal.
This is the stripped hole