Material: aluminum Performance: enhanced acceleration and speed Design: CNC-machined for precise fit Compatibility: ZY100, JOG100, RS100, RSZ100, BWS100 models Weight: lightweight for improved performance Durability: designed to withstand temperatures up to 105℃ Optimized Performance for Your Ride Enhance your scooter's performance with the RESV Variator Performance Racing Drive Face Pulley.This pulley set is constructed from aluminum to balance durability and lightweight properties.The CNC-machined design a precise fit for ZY100, JOG100, RS100, RSZ100, and BWS100 models, supporting a straightforward installation process. Unmatched Stability in Temperature Extremes The pulley kit is engineered to endure temperatures up to 105℃, helping maintain consistent performance under demanding riding conditions.Whether used in urban commuting or extended rides, the design supports across varied environments. Ease of Installation and Compatibility Designed for direct replacement, the pulley set integrates easily with compatible models.Its construction focuses on mechanical performance enhancement without additional software components.This upgrade is suitable for riders seeking improved scooter performance while maintaining build quality and compatibility. This is a non- replacement.Any reference to brand names or models is strictly for compatibility purposes.