I'm in the process of building a CB175 into a vintage race/track bike, targeting the 200GP+ AHRMA class. It's a long, slow process, and I'm learning everything as I go. The front end as it's being built is a CB200T fork mated to a '74 XL175 triple tree staying at the original 31mm. It's a straight swap without any stem modifications.
My question is about the front hub/brake. I have the original CB175 brake, but I also have a '67 CB77 36-hole front brake from a previous still-born CB350 project.
Is the added weight of the CB77 brake worth the increased braking performance? Would I be better off using a smaller CB350 or even the stock CB175 or CB200T front brake for racing?
Also, while I'm asking about drum brakes, who is doing re-linings and arcing currently? Seems like a lost art that is only done by a few. Not really worried about a long lead time—I hve a long lead time, myself.