The Blue series weights are designed with a lower engagement and than our red profile but still with an aggressive shift profile in mind. The advanced profile weights offer the industry’s lightest fly weights with a uniquely aggressive ramp. Lighter fly weights results in less rotating mass in the clutch allowing for a more responsive and nimble ride. Each weight has 20g adjust-ability using the .85g and 1.7g magnets included. Ctech stage 2 kit contains: primary spring, secondary spring, helix, bushings, and magnets.