Streetbox Spring Color:Purple the shock absorber features a

the shock absorber features a spring that is too stiff and wound progressively

We replace the fork’s linear springs with progressive units for better initial compliance and more support later in the stroke

you can now adjust your fork’s spring preload and damping for a truly custom setup

Nevertheless

allowing you to easily fine-tune how quickly the rear suspension recovers after hits and bumps

Streetbox Spring Color:Purple the shock absorber features aThe Hyperpro Streetbox includes a progressive front fork spring kit and an adjustable emulsion shock. This comprehensive solution improves cornering, braking, and overall bike balance, making it ideal for street use.