The Tubus rear racks have an ajustable mounting sysem, at least on the Cargo and Cargo Evo rear rack, that will fit 3" mounting braze-ons on the seat stay without bending the stays. The are fully adustable for closer spacing.

Looking at the specs for the Cargo Evo and the Logo Evo, the adjsutment brackets have different part numbers 30006 vs 30005. The drawing on their website show the Cargo' mounting width at the front of the rack at 4.5". The Logo is only 3.5". Based on those measurements, I'd say yhe Logo will have to use the offset stays to fit the Sutra. See if you can contact Tubus to check this "guess "out

I just checked the Tubus Cargo Evo on my Surley LHT and the the baze-ons are also exactly 3" apart.