For the Cougar Laydown and KD is this lightweight Titanium Layshaft.
The standard layshaft weighs 13g and this new titanium one just 7.5g, so a significant 5.5g weight saving.
Not only the overall weight saving but more importantly the rotating mass is significantly reduced. Meaning faster spool up time and acceleration.
Titanium Nitride Coated for long life.
Aimed at racing which requires a slipper clutch.