YSS Progressive Wire fork springs with a firmer design than stock.
YSS fork springs are made of high quality silicon spring steel. This allows the thickness of the wire to be reduced, which makes the spring more active and thinner, but at the same time effectively prevents twisting of the spring.
To minimize noise and improve oil flow in the fork, the springs are fully polished and ground on the top and bottom.
The scope of delivery includes 2 springs for a complete conversion of the fork. SPRING TYPE: PROGRESSIVE LENGTH: 435MM DIAMETER 1: 26.5MM HARDNESS 1: 7.5 N/MM HARDNESS 2: 9.5 N/MM LEFT AIR CHAMBER: 205 MM RIGHT AIR CHAMBER: 205 MM RECOMMENDED VISCOSITY: 20W
APPLICATIONS OF THIS PRODUCT: According to the data provided by the manufacturer, this article is compatible with the following brands, models and years: Yamaha CZD 300 A X-Max ABS 28 CV, 21 kw 1cil. SH081 B741 Bastidores: SH081 henceforth00103-- 2017 Yamaha CZD 300 A X-Max ABS 28 CV, 21 kw 1cil. SH131 BY31 Bastidores: SH131 henceforth00080-- 2018 Yamaha CZD 300 A X-Max ABS 28 CV, 21 kw 1cil. SH131 BY35 Bastidores: SH131 henceforth19163-- 2019 Yamaha CZD 300 A X-Max ABS 28 CV, 21 kw 1cil. SH131 BY37 Bastidores: SH131 henceforth34041-- 2020