Streetbox Preload Adjuster:Hook Wrench Our stereo 540 TS shock

Our stereo 540 TS shock package smooths sharp hits and improves composure without changing the bike’s character

The upper mount integrates the high- and low-speed compression adjusters for precise damping control

but omits the compression reservoir and the option for high- and low-speed compression adjustment

Harley-Davidson Pan America RA1 – Suspension Optimization

Streetbox Preload Adjuster:Hook Wrench Our stereo 540 TS shockThe 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.