Streetbox Spring Color:Black (+$20) Threaded Spring Preload: Easily adjust

Threaded Spring Preload: Easily adjust your sag to compensate for rider weight

a slightly stiffer spring combined with optimized rebound and compression damping yields a wider adjustment range than the original shock

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

excellent heat dissipation

Streetbox Spring Color:Black (+$20) Threaded Spring Preload: Easily adjustThe 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.