Streetbox Spring Color:Purple Damping Control: Velocity-sensitive compression damping

Damping Control: Velocity-sensitive compression damping adjustment via internal valve spring tuning

Recommendation for +20 mm raise: remove center stand to prevent rear-wheel contact when parked

and improves overall bike balance and feedback

the ST models are agile — but they still benefit from a calmer

– Spring-preload range: 10 mm

Streetbox Spring Color:Purple Damping Control: Velocity-sensitive compression dampingThe 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.