I use z-bends on the servo end, and quick-links on the control surfaces.</p>

I choose the z-bend on the servo end for a couple reasons. </p>

1. I've used different quicklinks, and if set up properly, some have ended up colliding/binding/interfering with the center of the servo control arm when at the extreme ends of the travel. </p>

2. I don't trust the EZ connectors from slipping (on the screw side) or coming off the servo arm (on the underside with the retainer) locktite or no, I just don't trust 'em. Their holding power is all based on linear friction and presure.</p>

3. EZ connectors on the servo arm can be difficult to access if/when you're making adjustments. I prefer to make the adjustment at the control surface end. Not the servo end.</p>

Some have argued that z-bend "hollow out" the hole in the servo arm. That may be true. And I can see that as greatly possible if the bends are not sharp and precise. If the bends are actually arcs then yes, definitely. If the bends are crisp, then the top and bottom of the servo arms also contacted by the horizontal portion of the rod. An EZ-link has just as much potential of hollowing out the control arm if the bend isn't crisp and tight.</p>

I choose quicklinks on the control surface end for the following reasons.</p>

1. There has to be adjustment somewhere. I prefer it on the control surface end, because it's easier (for me anyway) to adjust them there, then trying to dig into the fuselage and adjust it at the servo.</p>

2. If used with a piece of fuel line to assure/maintain closure, I haven't run across binding issues. (Where the link ends up hitting the control horn.</p>

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But the best caveat (and  used most often here) is: </p>

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Do what you find works best for you.</p>