The Galfer Disc Brake Adaptor +23mm is designed to bump those discs up a size.\nBigger discs, means more power. Use these brake mounts to get your callipers positioned correctly on the brake rotor.\nThe SB004 brake adaptor to fits the following:\n--180 to 203mm\n--200 to 223mm\nExtras:\n--Complete with two fitting bolts.\n--Weight 26 grams.\n\nA LITTLE BIT ABOUT US!\nTotal Bleed Solutions is a family run business. We are based in the North East of England and get great pleasure out of giving our customers what we believe is excellent value for money. Our now World-famous bleed kits are designed and put together in house and we are very proud to say that hundreds of thousands of them have been sold worldwide.\nTBS started when I found myself needing to bleed my mountain bike brakes. I got straight on the internet to look for a bleed kit suitable for the job.\nI was in shock to find that some sites wanted \u00A340+ for my kit - My local bike shop wanted \u00A370 to do the job!... I cou.