OK, I own a 2019 Stumpy fitted with a Raceface 30t chainring, I'm investigating if it is OK to replace the existing ring with a 28t or even 26t as I do a lot of climbing and I'm not getting any younger :-( !!I'm not worried about top speed so could this work for m?. Also I think my chainring is a Cinch direct mount but it's difficult to find all the info I need to insure I order the right part and tools. Can someone on here advise me please. Thank you.