(Red) Chain Tensioner Drive Chain Roller 10mm Chain Roller Slider

Feature: \n 1. Inner diameter: 10mm\n2. Can also be used on gas petrol motorized conversions kits\n3. Attached the swing arm; the chain then runs over it to keep it aligned\n4. Dirtbike nylon chain roller wheel complete with heavy duty bearings ready to use\n5. Vary colors for you to choose \n\nSpecification: \nFeatures:\n\n1. Brand new chain roller.\n\n2. Dirtbike nylon chain roller wheel complete with heavy duty bearings ready to use.\n\n3. This part attached the swing arm; the chain then runs over it to keep it aligned.\n\n4. Can also be used on gas petrol motorized conversions kits.\n\nSpecifications:\n\nInner Diameter: Approx. 10mm / 0.39\""\n\nOutside Diameter: 3.5cm / 1.38\""\n\nTotal Length: 3.3cm / 1.3\""\n\nPackage Weight: Approx. 55g\n\nOptional Color: Yellow, blue, green, red\n\nPackage Included:\n\n1 x Drive Chain Roller\n\nNote:\n\n1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. \n\n2. Monitors are not calibrated same, item color dis: