Feature: 1. OE Number: Rear brake caliper replace part number are 43200 HB9 008, 43200 HB9 771, 43200 HA2 671. Please check the number before ordering. 2. Vehicle Compatibility: Specifically designed for ATC250R 1986 and other models, please check carefully to make sure it is compatible with your vehicle. 3. Enhanced Braking Performance: Greatly improves the motorcycle's braking performance, enhancing driving safety and reducing the risk of accidents. 4. Premium Design: Provides high precision braking effect with reliable and stable performance. The brake caliper provides precise braking effects for safe driving. 5. Simple Installation: Designed to adapt to your vehicle's braking system to the fullest extent, allowing easy installation without the need to modify your vehicle's equipment. Specification: Item Type: Rear Brake Caliper Material: Metal OE: 43200 HB9 008, 43200 HB9 771, 43200 HA2 671 Fitment: Replacement for ATC250R 1986. Package List: 1 x Rear Brake Caliper Note: 1. Please carefully check the OEM number and Fitment model before purchasing. 2. It is strongly recommended to have the installation done by a professional mechanic.