Re: Race Face Taperlock Titanium Square Taper Bottom Bracket
No the beauty of race face BB's are they have no flanges. Which means you can dial in the chain line absolutely perfect, you can have the cup inserted into the bb shell on one side and protruding on the other. If a 107mm axle works for your cranks, the race face BB's are the best way to dial a perfect chain line.
It should work perfectly on a Middleburn duo set up