KTM MX 80 1985-1989 Make KTM Displacement 80 Model MX 80 Year range 1985-1989 ▲Front Sprocket Front Sprocket 6101211 Front sprocket More info ▲Nitro Front Sprocket Nitro Front Sprocket 6101212 Nitro Front sprocket More info ▲Chains Chain 520 652001 Chain V2 520 More info Chain GP 520 652004 Chain GP 520 More info Chain 520 O-ring 652002 Chain V4 520 O-ring More info Chain 520 X-ring 652003 Chain V6 520 X-ring More info Chain GPX 520 652005 Chain GPX 520 More info Chain GPXE 520 652007 Chain GPXN 520 X-ring Gold More info