Automotive Gear Market Size, Share & Demand Report By Gear Type (Spur Gear, Helical Gear, Bevel Gear, Worm Gear), By Vehicle Type (Passenger Vehicles, Commercial Vehicles, Electric Vehicles), By Transmission Type (Manual, Automatic, Dual-Clutch, Hybrid), By Sales Channel (OEM, Aftermarket) By Region & Segment Forecasts, 2025–2034