Built for the salt water environment anodised aluminium glass filled nylon and stainless steel materials. Solid construction 73 x 3mm base tube 66 x 3mm top tube both internally rib reinforced heavy duty die cast alloy base and heavily reinforced glass nylon swivel head assembly. Mount base suits countersunk screws or hex nuts. Directly accepts 183080 seat slide.
Top tube dia: 66mm
Base tube dia: 73mm
Base dia: 225mm
Base mount holes: 8mm c/s
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