These black anodized/contrast cut billet aluminum headlight brackets are available in many sizes. The common sizes we stock are 45mm (1.750") which will fit the inverted style GDB front ends and 38mm (1.5") which fits the Koenig style fork tubes. The most common PMFR front fork tube size is 34mm. If you need a custom size for, say a stock set of fork tubes, give us a call and we can set you up.