Instead of a conventional quickshift, where people make a spacer to sit on the top of the shifter housing. What he has done is cut the part off where the shifter ball sits, raised it 18mm for example and then welded it back on with a spacer in the middle. Therefore, using a stock 'cup' i suppose you could call it where the shifter ball sits.
Good sides; Its easier to assemble and possibly more sturdy over a spacer that sits on the top. And eliminates the 2 C shaped spacers too.
Bad sides; You can't reverse what you've done. Which isn't a real big deal anyway.
Here's a picture of a conventional C's quickshift. You can see the round spacer thats made (these can vary in apperance, ie sqaure, circle, etc.) with the two prongs that stick out into the circle in the middle and also the two C shaped spacers that are required.
Sam
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