Originally Posted by
gohabsgo
... So what's the best way to size the chain to the bike?
Different people prefer different methods.
I don't do it often enough to require the absolute peak in efficiency.
Originally Posted by
gohabsgo
... I have seen a few different calculations
Never bothered with those.
Originally Posted by
gohabsgo
...rule of thumb - put it on both big cogs, not through the derailleur + 2
Usually I do about that. But I run the chain through the derailer while I'm at it. Tension the chain. Check the angle of the derailer, notice where to break the chain and go at it.
Once I faffed about with pieces of string, or shallow hooks of old spokes to hold the chain together as I worked on it. Wasn't really worth the time.
Originally Posted by
gohabsgo
... half links,
A Half link is a different beast. see here:
https://www.google.se/search?hl=sv&s...75.XfMDckje7co
Normal chains consist of alternating inner and outer plates. Whether inner or outer plates, one link is defined as a part holding a pin at each end.
Originally Posted by
gohabsgo
... I tried fiddling with the B screw but then it got dark and I wasn't quite sure of the correct procedure. Any pointers on B screw adjusting?
If the top pulley doesn't clear the sprocket, turn the B-screw in. Some setups may requre replacing the B-screw with a longer one. Any with the correct thread will do. Another option is to take the screw out entirely, and thread it back in reverse. The head will act as extra length.