Streetbox Spring Color:Purple The uniquely engineered fork caps

The uniquely engineered fork caps grant you full access to compression damping

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

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

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optimizing your chassis geometry and weight transfer for maximum drive out of the corners

Streetbox Spring Color:Purple The uniquely engineered fork capsThe 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.