My eastern has 25 9. But someone stole it and I got it back with no chain and the front sprocket mangled. And I have a spare 26. It shouldn't make too much of a difference up 1 in the front rite ? So a 26 9. Instead of a 25 9 rite?
If you ride a cassette I recommend 28-9, 25-9 gets wonky at really high speeds, like when riding DJ. If you ride a coaster never go bigger than 25-9 because your coaster wont have that much slack with that ratio unless you have a coaster which can be set up to be super slack like the BSD westcoaster. You don't want to accidentally engage your hub when you're rolling backwards haha.