The function of the combination of the crankshaft and connecting rods converts the reciprocating of the piston into the rotational of the crankshaft and outputs power.The connecting rod transmits the and power of the piston to the crankshaft which pushes the crankshaft to rotate.The crank bearing receives the force from the connecting rod and converts it into a torque about its own which is then transmitted to the transmission system while driving the valve train and some other auxiliary devices. Quantity: 8pcs Diameter: 50mm / 49.75mm / 49.5mm Size: STD (Standard) / +25 / +50 Material Type: Forged Steel Fit for: OEM CODE:6CB-11656-00-00 FL175 LF175 2017 F165A ETL 2013-2017 F185A ETL 2015-2017 F275A ETL 2012-2017 FL300 LF300 FL250 LF250 FL225 LF225 2010-2017 FL200 LF200 2012-2017 FL150 LF150 2017 F175 2014-2017 F150 2013-2017 F200 2009-2017 F225 2010-2017 VF200 VF225 2009-2013 2015-2017 F250 2010-2017 VF250 2009-2013 F300 2010-2017 OEM CODE:69J-11656-00-00 FL250 LF250 2005-2011 FL225 LF225 FL200 LF200 2002-2011 F200 F225 2002-2011 F250 2005-2011 Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.