Sorry I missed that part! I think 28mm will be a little on the tight side.
You can probably get a better idea by pushing the rims on the side and see how close it is to the chainstay, personally on a carbon bicycle, I'd er on the side of caution.
Beside the Corsa G+ is a very comfortable tyres even in 25mm.
If you live or work near St Paul, I be happy to lend you my 28mm Corsa G as I need to replace it from my steel road bike due to similar clearance issues!
Sorry I missed that part! I think 28mm will be a little on the tight side.
You can probably get a better idea by pushing the rims on the side and see how close it is to the chainstay, personally on a carbon bicycle, I'd er on the side of caution.
Beside the Corsa G+ is a very comfortable tyres even in 25mm.