08-25-2013, 01:24 AM
Actually the rim has hook like features on the inside to grab on to the tire; so you have to push the sidewalls inwards while pulling them out. Start tire removal by letting the air out, if it is not already flat, then go all the way around squeezing the side walls towards each other. If you have Presta valves, make sure you unscrew the retainer nut. Before getting out your tire irons ( mine are aluminum alloy 
) start with one tire iron 180° from the valve, under the bead, making sure not to pinch the tube. Next one goes two spokes over to the left or right; third one goes two spokes over in the opposite direction, and the first one will most likely fall out. This one goes two spokes over in the same direction as the second one. Continue alternating directions until the bead has popped off the rim far enough that you can just slide a tire iron all the way around. At the point you should be able to pull off the other bead, again 180° from the valve stem, and work both directions. And the tire/tube assembly will fall off the wheel.
) start with one tire iron 180° from the valve, under the bead, making sure not to pinch the tube. Next one goes two spokes over to the left or right; third one goes two spokes over in the opposite direction, and the first one will most likely fall out. This one goes two spokes over in the same direction as the second one. Continue alternating directions until the bead has popped off the rim far enough that you can just slide a tire iron all the way around. At the point you should be able to pull off the other bead, again 180° from the valve stem, and work both directions. And the tire/tube assembly will fall off the wheel.
Nigel
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