Hi Sooty, there is a technique, its worth watching someone who is proficient and can do it without trashing the wheels,
i use 8 inch metal mountain bike levers and plastic rim protectors like motion pro,
the older gs spoked wheels need some force to break the bead but after that its straight forward, the new lc alloy wheels are shallow and just need small bites to remove them,
i stretch a bit of old t shirt over the rim then fit the protectors as not scratching the wheels is a priority and the main reason i do them myself,
so a decent lever type bead breaker , no frame type wonder jigs necessary,
deep foam kneeling mat with a hole in the size of a brake disc,
8inch tyre levers ,
rim protectors, static balancer, rear wheel adapter [which i have made for a few tossers ],
balance weights and a compressor ,
lots of tyres can be fitted by using your boot heel to feed the tyre over the rim on second bead, that's where a doctored foam mat is invaluable and protects brake discs,
There is no need for big levers and brute force, it isn't necessary and can damage the wheels,
i am a bit farther away but like ninja rich the offer is there,
Roamer,