コレクション tr-4 valve stem 331008-Tr-4 valve stem type
Accura Valves Private Limited Nasik What exactly is the difference? TR4 means the valve stem is located in the center of the tube so your stem opening in the rim should also be in the center TR6 means the valve stem is offset to one side of the tube so you guessed it your opening in the rim should be off center There are other designations like PV78 which is for a center of the tube stem with a 90 degree angled stem 05 Tr-4 valve stem type