Quality is the first with best service. customers all are our friends. Bringing more convenience to the people in their daily life And this product is environmentally friendly and durable 8mm 10mm Chain Roller Slider Tensioner Wheel Guide Pit Dirt Mini Bike Moto Atv High Quality M8 M10 Size: Please pay attention to the distinction 8MM and 10MM Material: high hardness plastic Color: red ,blue , black Suitable type:Commonly used in CRF70 BBR KLX TTR small high-speed race small off-road Huayang wave speeder and other modifications, the inner hole has 8MM and 10MM, please pay attention to distinguish. Package included:1Pc 8mm or 10mm Chain Roller Slider Tensioner Wheel Guide Pit Dirt Note: 1.Due to manual measurement, please allow 1-2 mm difference, thank you. 2.Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100 percent the same. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU Product Safety and Compliance laws. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store