What the thread found

• The 3/3a uses a 1.5 inch centre post with a 5/8 inch arm post diameter for the gimbal
• Master series and Ultra sleds feature a 1.58 inch centre post with a 3/4 inch arm post diameter
• GPI PRO followed the 3/3a standard with a 1.5 inch centre post and 5/8 inch arm post
• XCS was the first manufacturer to switch to a 2 inch centre post while retaining the original 5/8 inch arm post size
• M1 gimbal post measures 1.75 inches
• Some 1.5 inch posts are specified at slightly smaller diameters due to manufacturer tolerances
• Centre post size and arm post diameter that fits the gimbal are separate specifications that are often confused

Depends on

• Some models lack documented specifications
• Manufacturer tolerances can cause variation in actual measurements
• The list remains incomplete for certain models like Archer and Clipper
• Information on some newer models was not readily available at the time of discussion

Gear in this thread

Master Seriescatalog

Parts

Arm Post

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