If you have lots of hills, I'd say tripple, if not and you live in a flat area like I do in Florida, get the double. My granny gear is just added weight and of no use to me.
__________________
Brian | 2023 Trek Domane SLR 7 AXS | 2023 Trek CheckPoint SL 7 AXS | 2016 Trek Emonda ALR | 2022 Trek FX Sport 5
you should learn to embrace change, and mock it's failings every step of the way.