Motorcycle Chain Slider Guide Protection For SE SEF 125 250 300 450 500 2014-2023 Bike Swing Arm Chain Slider This chain slider is constructed from plastic material.It functions to guide the chain onto the countershaft sprocket, reduce chain noise, and protect the swingarm from wear.This item serves as a replacement for worn components and is compatible with SE and SEF models ranging from 125cc to 500cc for model years 2014 through 2023.The product replaces OEM number 0297.It is sold as a single unit in black.Please verify your motorcycle model and measure the installation area prior to purchase to ensure proper fitment.Minor dimensional variations may occur due to manual measurement.