K-TECH HIGH PERFORMANCE FORK SPRING K-Tech fork springs are manufactured from the highest grade Chrome Silicone wire, each spring is cold coiled, heat treated, pre set and ground to length before being polished for ultimate performance. All springs have their rate laser etched on the end and are manufactured to DIN 2095 grade 1. Cold coiled Heat treated Tempered Shot peened Ground ends Polished for reduced friction and smoother performance Part number etched Beta X-Trainer 300 2016 Beta X-Trainer 300 2017 Beta X-Trainer 300 2018 Beta X-Trainer 300 2019 Beta X-Trainer 300 2020 Beta X-Trainer 300 2021 Beta X-Trainer 300 2022