Wɔyɛ nsaanodwuma sprockets ne afã horow sɛnea OEM . gyinapɛn te. Wɔde dade soronko na ɛtow nsaanodwuma sprocket ne afã horow nyinaa, na ama wɔahwɛ ahu sɛ ɛyɛ den sɛ wobetumi asoa na wɔde nsu tumi no akɔ. Na wɔyɛ no wɔ akwan anan so: nea edi kan, yɛ mound, cast ma ɛyɛ sprockets ne afã horow no, saa nhyehyɛe yi boa yɛn ma yenya rough sprockets ne segments ;