the 55 doesn't have a good way to rubber mount it and the gears are so tiny, vibration will wear out the servo pretty soon.
If vibration is a concern, simply use double sided servo mounting tape or even better, the type of tape we use to mount our gyros with.
Another thing I do is to use a small diameter music wire, such as 1/32" and run it through a piece of ny-rod. The wire is stiff, but flexible enough to smoothly bend around small curves. I even apply some vaseline to th wire to aide smoothness. I've been useing this method for 30 years and it works great for me.
Rod
