Shipping will be quoted after purchase. 4mm alloy 4 standard max trax pins (not supplied) **Base arm is required if modular carrier never purchased**Modular attachments will not work unless you have a base arm. Breakdown pricing of available options: Base arm with mounting plate (does not include modular options): $450 Single jerry: $200 Single gas bottle holder: $200 Single shelf: $280 Double shelf: $350 Ladder: $350 Max trax holder V1: $100 (Single jerry required in order to attach to the base arm) Max trax holder V2: $350 The attachments need to be ordered as separate parts and the BASE ARM IS REQUIRED. These come standard in a Satin black powder coat.All Australian-made, in-house in Lilydale VIC.