Description: 100% Brand New Replacable plastic buffer blocks. Fully wraps the chain to guide it onto the rear sprocket.Helps prevent the chain from derailing and causing engine case damage. This Chain Guide body extends in front of the chain guide mounting bracket for superior protection and reduces any chance of the bracket breaking. This chain guide is a good choice for any type of motocross or dirt bike riding. Fitment: for 250. Specification: Material: Plastic Size: Approx. 143x67x35mm / 5.6x2.6x1.4 Inch Available Color: Blue/Yellow/Red/Black/Orange/Green Package Includes: 1 Piece Chain Guard Guide Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) 3. Instruction is not included. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you.