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    Grove disc brakes with Goodyear 25x11-4 tires?

    Has anyone ever installed a grove disc brake conversion kit on a set of wheels with 25x11-4 Goodyear airwheels? Is any modification required? Do the calipers clear the tires?
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    Scott Diaphragm

    Working the bugs out of the newly finished plane. The left Scott master cylinder diaphragm just exploded and needs replacement. Be it a possible bad idea, I think I'm going to attempt to replace the diaphragm without removing the unit. My question: am I going to need to replace the diaphragm pad...