Bar Fly 4 Max
K Edge Combo
Best Tek (K Edge knockoff)
A slightly different flavor of the K Edge knockoff
...and there are even more of the K Edge clones out there, lots of 'em. I can't speak to any of them, as I have both a K Edge XL and a Bar Fly 4 Max. I have absolutely no issue spending $50-60 to securely mount the $300+ computer on the bike.