XT250X 06- [Genuine chain size]428 [Genuine number of links]128L [Genuine number of fingers]15
YBR250(07- [Stock chain size]428 [Number of stock links]132L [Number of stock fingers]15)、SEROW250(05-21 [Stock chain size]428 [Number of links]128L [Number of pins]15)、XT250X(06- [Genuine chain size]428 [Genuine number of links]128L [Genuine number of fingers]15)
Number of teeth: 17 Material: Chromium molybdenum steel (SCM) Heat treatment: carburizing and nitriding treatment Surface Preparation: Iron 433 oxide film treatment (black) Durability: 10000km-30000km
Number of teeth: 15 Material: Chromium molybdenum steel (SCM) Heat treatment: carburizing and nitriding treatment Surface Preparation: Iron 433 oxide film treatment (black) Durability: 10000km-30000km