Josh Hill put Sirris suspension on his Surron Ultra Bee and it's a game changer.





Sirris offers a wide variety of tuning options to fit your riding needs.
The internal tuning is accomplished by mixing the perfect match of spring weight, compression settings, rebound settings, preload settings and oil weight. All are internally adjustable and serviceable by a trained technician or service center.
Another win in the desert! Altis Sigma and Arctic Leopard EX 800 take first and second on Sirris suspension at the Biltwell 100.
New Bonnell high-performance electric dirt bikes revealed. The next generation of e-Moto coming 2025 with Sirris suspension.
Altis Sigma and Arctic Leopard EX 800 equipped with custom Sirris F43 suspension forks make history.
Josh Hill and crew racing hard on Sirris equipped Surron Ultra Bees at the Red Line Oil Arenacross race in Shelbyville TN.