Crafts track rollers ne carrier rollers yɛ sɛnea OEM . gyinapɛn a ɛsɛ sɛ wɔyɛ no te. Wɔde dade kurukuruwa na ɛyɛ yɛn roller no pin shaft titiriw no, na wɔde dade soronko na ɛyɛ abon no. Shaft ne shell no nyinaa yɛ den denam ɔhyew ayaresa no mu kɔ akyiri kodu 6mm na ɛkɔ soro kodu HRC 56° a atwa ho ahyia no, sɛnea ɛbɛyɛ a wɔbɛhwɛ ahu sɛ ɛyɛ den sɛ ɛbɛkata adwuma tebea bɔne no so.