The CN505M connecting rod kit is for the famous Honda CRF250R / CRF250X engine. We apply nickel-contained chromoly steel, a higher strength material, for our con-rods. The rod can bear higher loading and higher RPM environment. 

Application: 

Honda 2004-2017 CRF 250R

Honda 2004-2017 CRF 250X

Big-end Width (mm): 17.8

Small-end Width (mm): 15

Big-end Bore (mm): 38

Small-end Bore (mm): 16

Center-to-center (mm): 90

Pin Diameter (mm): 30

Pin Length (mm): 52.9

Big-end Bearing (mm): 30*38*18

Small-end Bearing (mm): Bush

Washer Thickness (mm): 1.0