Front Brake Caliper for Vespa PX 125 150 200 - Hydraulic Disc 58573R 1. Applicable Model: The front disc brake caliper is a replacement for Vespa PX 125 PX 150 PX 200. Please confirm if it matches the product you want before purchasing to avoid unnecessary returns. 2. OE Number: The part numbers for reference are 56220R, 563800, 601356, 58573R. Please confirm if it matches the OE you need to avoid wrong purchases and other problems. 3. Precision Control: The caliper uses a hydraulic system to transmit braking force, which can precisely control the strength of the braking force, allowing the rider to better control the braking process. 4. Perfect Heat Dissipation: Motorcycle brake calipers use special materials and heat dissipation design to improve the heat dissipation effect and avoid performance degradation caused by overheating during braking. 5. Adjustment Performance: The front hydraulic disc brake caliper has the function of adjusting the clamping force and braking feel, which the rider can adjust according to different needs and preferences to obtain better braking effect.