Routing a rear brake cable through 3 cable stoppers

As far as I can think, there are four ways of dealing with the cable run to the rear brake:

• Using clips as BrickMan mentioned.
  
• Using welded / brazed on guides that the outer runs through.
  
• Using cable stops which only the inner runs through.
  
• Internal run through the top tube which can either have stops or need outer the whole way through.
  
  

If you have welded / brazed on guides you don't need clips.