If you want to save some money, these screw on disc brakes are not too bad from China:
http://www.ebay.com.au/itm/NEW-Moun...17?pt=LH_DefaultDomain_15&hash=item3a88173f11
I have bought a couple for projects and they work fine. Only thing to remember is they use the less common 6x48mm bolt spacing instead of the common 6x44mm bolt spacing so you have to use the disc that comes with it...
Luke.
http://www.ebay.com.au/itm/NEW-Moun...17?pt=LH_DefaultDomain_15&hash=item3a88173f11
I have bought a couple for projects and they work fine. Only thing to remember is they use the less common 6x48mm bolt spacing instead of the common 6x44mm bolt spacing so you have to use the disc that comes with it...
Luke.