Used Project X Even Flow Riptide CB Driver Shaft Seniors Flex Graphite - 45 in - TaylorMade Adapter

The Project X Even Flow Riptide CB Driver Shaft is graphite, flexible, and designed to maintain launch control and stability.

• The description claims the shaft shifts mass toward the handle to enable heavier heads or extended builds without ballooning swingweight.
• The description claims the shaft has a smooth, even-bend feel that loads easily and holds launch in the mid window with controlled spin.