Disc Brakes

hi,&lt;br&gt;&lt;br&gt;just wondering if anybody knows of or have used these discs -&lt;br&gt;&lt;br&gt;stores.ebay.co.uk/Webparts-UK_W0QQssPage...t;br><br>if you have or hav'nt, what do you think?<br><br>tony

ive not heard of em mate, you could try 3G or black diamond grooved only discs&lt;br&gt;&lt;br&gt;Jim