Rear Shock Spring Spring Color:Purple With compression reservoir on a

With compression reservoir on a milled mount

Springs: Equipped with dirt-specific progressive or linear springs optimized for vintage MX geometry

Installation: Direct drop-in replacement for stock internals (may require minor damping rod drilling depending on application)

these stock springs tend to feel softer under load — for example

Gas and oil are mixed in the main body

Rear Shock Spring Spring Color:Purple With compression reservoir on aThe Hyperpro Progressive Rear Spring enhances cornering, reduces braking distance, and improves overall bike balance and feedback, fitting onto the original shock for easy installation.