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I'm not having a great time installing a GRX822 rear derailleur.
Using an 11-51t 11speed cassette and following a YouTube hack, that assures me that the 12speed rear derailleur will play nicely with 11speed shifters, I'm not getting good shifting performance.I cannot find an installation manual for this derailleur anywhere and am having trouble setting the b-screw position to place the cage at the correct height relative to the cassette. Does it fit with a standard chain, or do you need an extra long chain? It's currently sitting a bit low. It'll shift to the 51t sprocket, but is quite reluctant to shift to the 11t.
I'm using a Deore XT chain, 36t chainring 11-51t cassette, so was expecting the chain length to be correct.
Any tips would be welcome.
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I used to race Mardave Minis back in the day, they're huge fun, but they only have about 2mm ground clearance, so you can't even run them on a car park.
However, you can take a 1/10 slick/semi-slick tyre and glue it to the wheel with contact cement and then flip the front beam axle, so that you have similar ground clearance front and rear, cut away the rear body shell to clearance the rear tyre and you get an absolute pavement rocket! I had a lot of fun with mine modified like that. -
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That's excellent. Exactly what I was looking for. Looks like I need a longer chain!