Later unitrack type calipers might bolt on with a 10mm spacer welded to the carrier. They do on z1000j/gpz1100 period bikes and the hole centres look the same on Z1000a1. I did this to a gpz1100b and it made quite a decent improvement over the std calipers (which aren't a very clever design and ten...

You can get Billets or Pretechs that will bolt straight on and you can get floating discs to replace the standard ones. The calipers on their own will be a massive improvement with the addition of discs it will stand on its nose. Straight bolt on. Downside is it's not a cheap option. Any front end ...

Looking for help/ advice please. Whilst this might not please the purists I have a 79 USA import rescued from abuse several years ago. It’s a hotch potch of bits but I love it & practically a daily ride. I’d like to upgrade the front end or minimum the front brakes. Is there a relatively modern ...