RESV Variator Performance Racing Drive Face Pulley Suitable for ZY100 JOG100 RS100 RSZ100 BWS100 Material: aluminum Performance: Enhanced acceleration and speed Design: CNC-machined for fit Compatibility: ZY100, JOG100, RS100, RSZ100, BWS100 models Weight: Lightweight for performance Durability: Designed to withstand temperatures up to 105℃ Enhance your scooter's performance with the RESV Variator Performance Racing Drive Face Pulley.This pulley set is constructed from aluminum to support durability and lightweight.The CNC-machined design a precise fit for ZY100, JOG100, RS100, RSZ100, and BWS100 models, allowing for a straightforward installation process. The pulley kit is engineered to maintain performance under demanding conditions, with the ability to withstand temperatures up to 105℃.This supports consistent whether riding in urban environments or on longer routes.Designed for riders focused on performance improvements, the pulley set integrates into compatible without the need for additional software or components. Compatibility Statement: This is a third-party replacement.Brand/model references serve only as compatibility indicators.