Excuse me Are the payload capacities of Zephyr Sled and Zephyr Arm both 23 lb.? And the A30 Arm payload capacity is 30 lb.? If the A30 Arm is 30lb. In theory, using the Zephyr rig with the A30 Arm is the best performance? I am a novice, and I might choose Zephyr as my first rig. I have read a lot of discussions on the forum and I still don’t understand the problem. A few used Zephyr kits sold are equipped with A30 Arm instead of Zephyr Arm. Will this be an option? Can