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I'm building up a 2012 RIP 9 frame (no ISCG tabs) with a Shimano XT 9 speed drivetrain. I will be running my 3x9 M770 crankset as a 2x9 setup (22/32/bash)

From this awesome post it looks like the bottom bracket mount Blackspire Stinger will work with the RIP9 if you modify the bolt that holds the roller on.

According to the Shimano instructions, with a 73mm bottom bracket shell, there should be one 2.5mm spacer between bottom bracket and frame on the drive side. The Stinger is 3.1mm thick.

Anyone run into chainline issues or other issues running a Stinger?
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