I wouldn't go more than 100mm. Some 100s can be adjusted down to 80mm. Not a whole lot of quality forks to choose from these days in the straight steerer realm.

I'd probably do this one but the pic shows tapered, so I'd call first to see if it is indeed straight steerer 9mm QR.

Universal Cycles -- Rock Shox 30 Gold TK Solo Air 26" Fork 2014