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@jetski
Hi,
after buying a sweet track frame+forks from daveray some time ago, I was really unable to drill the forks as it felt like rape. At the same time, I definitely need a front brake so I started to think about a solution.
Clip-on's were just not satisfying (too heavy, too bulky, too expensive, limited choice)
So this a first sketch of my solution, please let me know what you think of it:
Description: you take a piece of stainless steel, about 60x10x4 mm, bend it, file two slots in there and drill two holes. Then you add to it a normal 1" ahead star nut +bolt. And a normal nut (+washer, or a locking nut).
Then you take your favourite front brake and cut the bolt to around 10mm. Add threading with a thread cutter if needed. Mount everything into the hole at the bottom of the steerer and done.
Issues:
Some people (like me) have a very tight clearance between forks and tyre. Due to the slots, the clearance needed is already reduced to 3mm in my design. If it has to be less, the slots could be deeper (2mm) or the stainless steel could be replaced with titan alloy to maybe achieve 1.5mm.
Image: see below, a quick first rendering of piece + bolt + ahead double star nut
jetski
http://www.lfgss.com/picture.php?albumid=1518&pictureid=8918