I believe it's because the geometry is not suspension corrected on older MTB frames (wasn't available). You can run a fairly short rigid fork and maintain a high BB and good steerer angle. Modern MTB/Jump frames are mostly corrected for suspension forks.
I believe it's because the geometry is not suspension corrected on older MTB frames (wasn't available). You can run a fairly short rigid fork and maintain a high BB and good steerer angle. Modern MTB/Jump frames are mostly corrected for suspension forks.