I got my bike in summer last year I recently tried to take my calipers off but they wont come off ...... it looks like the disks are worn and have got a lip around the edge ...... anyone got any pointers on how to get the calipers off

So you'll be replacing the discs I take it? In that case, remove the caliper mounting bolts and use a nylon mallet to firmly tap the caliper. Tap in the middle over the piston housing. That should push the pistons in enough to remove the calipers.

Worked a treat cheers mate