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6 point didn't work, but 12 point did.
HOLY SHIT those Shinko Big Block tires do NOT have sidewall flex. Nearly broke my brand new Mojo Bar. Had to abandon it before snapping the bolt off the end and wrap my all metal HF tire change lever in plastic to get the tire off.
Did the rear tire last night, gotta do the front today. Then inspected tomorrow during the nice weather. Be interesting to ride it with round tires vs those terrible 8-bit Shinko's.