HONDA CRF 100 2004-2013 Make HONDA Displacement 100 Model CRF 100 Year range 2004-2013 ▲Rear Sprocket 70/75 Rear Sprocket 70/75 620392 Rear Sprocket 520 More info ▲Sprocket mounting bolts Sprocket mounting bolts 213068 Sprocket Bolts Jap. bikes More info ▲Chains Chain 428 642801 Chain V2 428 More info Chain GP 428 642802 Chain GP 428 More info