According to standard ISO 606.
For ANSI chains we have the same tierd system as for European standard, but we only keep Wippermann as a standard stock item.
Stock is divided into thee tiers.
Wippermann (High), highest quality chain from a manufacturer that in the top of production and develpment.
Witra (Standard), quality controlled and guaranteed roller chain according to standard.
L (Light), imported chain with approved quality.
All chains are always delivered pre-loaded with inital lubrication unless otherwise specified.