SELCOF CENTERLOCK ADAPTOR MAKES 6-BOLT DISC BRAKE ROTOR TO FIT CENTRELOCK HUBSA HIGH QUALITY ADAPTOR TO FIT A STANDARD DISC BRAKE ROTOR TO A CENTRELOCK HUBREQUIRES A 15mm CENTRELOCK LOCKRINGFIT A 6-BOLT ROTOR TO A SHIMANO CENTRELOCK HUB WITH ONE OF THESE HANDY ADAPTORSTHIS IS THE PERFECT SOLUTION TO MARRYING UP NEW WHEELS WITH YOUR STOCK PILE OF OLDER DISC ROTORSWEIGHT: 18grams (approx)Manufacturers No: BSSFCLAD