Roda Gigi Kyouiku (kg), M1S20L+2108, Roda Gigi Mitra Spiral Tangan Kiri, Modul 1, S45C, 20 Gigi, Jarak Lokasi 21mm, Diameter Lubang 8mm, Lebar Muka 4,5mm, Od 21,12mm.
Roda Gigi Kyouiku (kg), M1S20L+2108, Roda Gigi Mitra Spiral Tangan Kiri, Modul 1, S45C, 20 Gigi, Jarak Lokasi 21mm, Diameter Lubang 8mm, Lebar Muka 4,5mm, Od 21,12mm.