First, to clarify, is your Emig Racing Stabilizer an over-the-bar/topclamp type stabilizer or an underbar type? If your stabilizer is mounted above the bar or anything is mounted to the top clamp, using an HDB top clamp wouldn't work because it would require custom tapping, etc. If your stabilizer is a sub mount (below bar), then you can use the HDB top clamps. It's hard to tell the caliper positioning with a wide angle lense (camera phone) picture as it makes it look as if you are measuring from the outside of the top clamp bolt holes, which would give you too wide of a reading. Ensure when you look down from directly above, you are measuring from the dead center of each bolt hole (or each bolt if it were bolted to a bike) and that will give you the proper pattern measurement. If that is what you did (again, hard to tell from those particular images) then it looks like the 98x38/40mm will be the correct size.