BMW sell a vario top box made by Shad. It incorporates a mechanism for changing its size but at maximum volume the box is not large enough to take a modern full face helmet as previously
reported.. The mechanism is not well designed from a mechanical standpoint and jams easily.
I have therefore removed 1 kg of useless gubbins and bolted the box together in its maximum size configuration.
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| The vario mechanism - a real bind at the best of times. The box has a sliding top hat incororating the lid assembly and a rubber seal |
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| Over complicated and mechanically dubious in action - this little lot adds almost 1kg of weight and wastes space |
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| With vario mechanism removed and the box bolted together more volume is available (although only a little extra height is gained). I could trim the screws I suppose. The lid cords are attached to the rear most boss using ring crimps (not shown here). |
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| I used dome headed 4mm stainless fasteners - looks reasonably neat. |
