I had to mill the tabs to centre it on the original disc and then had to mill it again to fit on the HE adaptor. When I fitted the HE 320mm disc I went back to the original caliper which worked well but as I was preparing the bike for a short tour up in the alps (setting off at 2.30 today!) I found the original had a leak so I swapped for this one but the pads are quite worn - I think we went to every bike shop in Toulon yesterday afternoon but no luck. It’s very easy to drop the pads out so maybe we’ll be able to find somewhere with some in stock this afternoon or tomorrow.