I seem to remember reading over the years various things about GT sizing being different to everybody else's and also about suspension frame sizes not being equivalent to hardtail... so I'm after a bit of clarity, if no-one minds. 
Specifically I'm toying with the idea of an RTS (seen a few come up for sale recently) and I'm not entirely sure of what size I'd be looking for. My Zaskar is a 16" (sized by my LBS BITD) but would I still be after a 16" in an RTS? (Sorry if these are stupid questions - I'm still v. new to suspension!
) I'm not entirely sure about buying yet just toying with it either for me or my brother for Christmas. 
Any advice very gratefully recieved!

Specifically I'm toying with the idea of an RTS (seen a few come up for sale recently) and I'm not entirely sure of what size I'd be looking for. My Zaskar is a 16" (sized by my LBS BITD) but would I still be after a 16" in an RTS? (Sorry if these are stupid questions - I'm still v. new to suspension!


Any advice very gratefully recieved!