Thanks everyone for all the answers, mucho's helpful!
Just to rewind a little to the rear shock absorber. Kwak ZX-10R was mentioned, presumably from a 1000cc bike looking at model number, does this not make any difference? GSXR 750 SRAD also mentioned, but can anyone confirm I loose tail height with this option? ....does it make any difference if i use 600/750/1000 SRAD ones?
Am i looking to get one from any specific particular age/model range from either?
Sorry folks, just trying to understand which is best and why so i can make the right choice! Then i'll answer the next time some noob like me asks!