Placebo Gears and Transmissions manufactures 1700mm Helical Bevel Gear. Placebo Gears and Transmissions also manufactures Spares, and Gear box. 1700mm Helical Bevel Gear is used for long wall [Machine Mining] project equipments. This type of Gear also comes in different varieties. The varieties include Pinion and Matching Gear and Spiral Bevel Gear.