Disk brake rotor

[marcmax]

Just swapped out the 16" wire spoke wheel on my Velorex sidecar with an 18" R65LS front wheel. I want to run a brake on the sidecar and have a mechanical disk caliper to mount at the wheel. An LS brake rotor has way too much dish to fit in the space available. Does anyone know of another airhead brake rotor with little or no dish that uses a 5 hole mounting bolt pattern?

[Bob_Roller]

From what I've seen, BMW rotors have 6 holes .

[marcmax]

This is the rotor mount area on my LS front wheel. My K75 has 4 hole rotors. A friends /6 also has 5 holes but the rotor carrier has almost as much dish as mine.

[mrclubike]

Would using a snow flake wheel with the LS rotor work.
That combo should move the rotor in as far as possible without something being made special.
The LS used a rotor carrier shallower than the snow flake wheel did.
My 82 R65 with Snow Flake wheels  have  a 5 bolt carrier.