I honestly don’t understand the consensus of folk on stw who say that 27.5″ are just a marketing fad and that they prefer their 26ers when in fact they fall into the trap of purchasing a new 27.5″ bike…?
Contradiction in terms right.
I’d like to think that 26ers definitely still have their place as they handle well and don’t feel too cumbersome.
Plus what’s a slight increase in wheel size really have to offer for pity’s sake.
If it has a good spec and is desirable bike brand and model then it will demand good money when put up for sale.
It all depends on if it was and still is a good bike to buy regardless of the wheel size at a guess.
I’d rather keep my 26er full suss pimped to the max then sell for a huge loss just because potential buyer was ummming and arrrghing over buying a new fad 27.5″ bike.
Oh and to answer your op question further on what time of year, late spring at a good guess.