It seems like that the hole in the lugs is positioned differently when comparing modern Speedies to vintage ones.
A friend of mine had a 69 Speedy and he wanted a 1479 with 812 Endlinks to be mounted (the 1479 is also from the 80ties like the 1450)
But when i tried it, the springloaded pin didn´t fit into the lug hole.
Reason was that the "tounge" on the sides of the endlinks is to think, you have to grind down the height a bit to allign the lughole with the tube in
endlink.
I this this works the same way with the 808/1171 combination
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