I guess he's also checking behind all of his Ax non spade hands in river, so I think he's always going for value here, but his bet sizing still was looking like a low spade that didn't want to showdown and instead decided to go for value. On the other side I think I could have many Qs in my range but also some full Ax combinations.

What do u think guys?

http://www.boomplayer.com/en/poker-hands/Boom/13197889_4AFA997F60