Level 61 Blue legs are better. You can gem +2 agi / +2 stam or +2 agi / +2 haste
https://www.wowhead.com/item=30534/wyrmscale-greaves?bonus=6710
If you get an Epic Proc, Ring of Foul Mojo might be better depending on how you value Crit / Haste. But since your rings have speed on one and a...