A red color means that the club has a lie angle that is one degree flat compared to the normal angle for that club. The lie angle for each club varies.
Depends what club it is on. Either the current TFC on the G series or the Aldila Serrano. If you are referring to the color code system it does not apply so shafts, only lie angle.
The "lie angle" of any clubhead is the angle between the center of the shaft and the sole.
The lie angle of irons needs to be properly fit for each golfer for two major reasons. First, the lie...