Motorcyle Speedometer Gear for FF50 GY-4094B For GY6 50cc 4 Stroke Scooter Moped 1P39QMB Engine Accessories This speedometer gear is designed for use with FF50 and GY6 50cc models equipped with a 4 Stroke 1P39QMB engine.Constructed from metal, the gear supports and consistent performance over time.It features an outer diameter of 56mm and an inner diameter of 10mm, engineered to match specifications for proper fitment with square speedometer cables.The design allows straightforward installation as a direct replacement part, making it suitable for maintaining or restoring speedometer functionality.It ensures accurate speed readings by maintaining proper connection between the transmission and the speedometer system.Compatible with a range of scooter moped models using the 4 Stroke engine platform, this component integrates into existing setups without requiring modifications.Its build supports long-term use under regular operating conditions.