Streetbox Fork Upgrade Kit It includes a purple progressive

It includes a purple progressive spring and is fully serviceable

a poor block value makes the second rate engage too quickly

offering modern

The fork is optimized through the use of our progressive Zero Friction fork springs combined with the appropriate Zero Friction fork oil and a precisely adjusted air chamber

Wilbers stereo shock absorbers with a 46 mm piston and compression reservoir match the style of large cruisers and deliver excellent function

Streetbox Fork Upgrade Kit It includes a purple progressiveThe 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.