Key features
Light, relatively cheapand comfortable. Comparable to the KCNC BE-1 bar ends , slightly heavier but a little cheaper (these are often sold for around $30).
What do the Ritchey WCS bar ends weigh?
Total weight is 60g. Not superlight, but quite lightweight nevertheless.
Carbon version
Ritchey also make a carbon matrix version which may be lighter or stronger (or both) than the alu versions. Price is not too bad either
.