Yes, the M (M for moustache) bars should be available in silver with black or brown grips.
There is also a copper version existent with brown grips.
Btw - in Germany it’s called “Tourenlenker”, too.
Most Strida parts which are made of aluminium can be black (or any color) anodized:
…as always - take note of the “but”…
But in case of the bars they must be disassembled completely for anodizing; that means all the brass things at the inner ends (parts 215-14-1, 215-14-2) - and that again is a bit tricky 