I've had such problems mounting Conti tires onto the Fulcrum rims on my Bianchi that I ended up mounting the Contis on other bikes that have Velocity rims first, riding them for a few rides, and THEN moving them to the Fulcrums. Right out of the box, I've never been able to do them without levers, but once they're stretched out a bit, I can even take them off the rim without levers.
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