Motorcycle Conrod Kits For Honda AX1 AX-1 NX250 KW3 NX 250 WIDE COMPATIBILITY: matched for Honda AX1 AX-1 NX250 KW3 single cylinder 250cc offroad street motorcycles; complete replacement set for engine crankshaft overhaul SIMPLE INSTALLATION: CNC machined strictly to OEM dimensional standard; includes connecting rod crank pin needle bearing thrust washers; direct assembly without grinding or MATERIAL: Forged 42CrMo connecting rod; treated crank pin with smooth polished surface; lined needle bearing for low friction operation STABLE ENGINE : anti deformation structure; reduces engine vibration abnormal noise power loss; maintains stable compression under long distance rough road riding : Wear oil construction; solves loose rod knocking crank assembly failure issues; essential repair spare part for full engine rebuild