Spur Gears ndiwo mutengo unowanzo shandiswa giya rudzi .Iwo ma charcterze nemazino ayo ari perpendicular o chiso chegiya .Spur giya ndiwo anonyanya kuwanikwa, uye kazhinji anodhura zvishoma .The basic descripive geomety for a spur gear is showin in the firgure pazasi.