Swingarm Spools Sliders Stand Bobbins Material: Swing Arm Adapter is Made of Aluminum Alloy T6-6063 and the Bobbins are Made of POM Plastic. Products are Skillfully Manufactured and Have Dependable Performance Practical and Durable for Long Term Usage Condition: 100% brand new, high quality Package Included: 1 pair swing arm spools sliders and adapters and mounting kits Installation Instruction NOT Included Fitment: For Honda GROM MSX125 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 ( If your bike is the current msx model(year of manufacture 2021 2022 2023), you need to add the washers we provided in the package ) Note: For Better Purchasing Experience, We Provide Pre-Purchase Consultation, and After-sales Service. If You Have any Questions, Please Feel Free to Email us and My Honor to Help You.