Streetbox Cartridges The Wilbers version employs a

The Wilbers version employs a softer spring paired with optimized rebound and compression damping

Hyperpro Fork Spring Kit features high-quality progressive springs

clean profile with a 30mm piston that integrates seamlessly with your vintage motorcycle’s frame without the bulk of external reservoirs

you gain a wider usable adjustment range

Your damping remains just as firm and controlled at the end of a hard twisty run as it was at the start

Streetbox Cartridges The Wilbers version employs 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.