Specifications: Product name: Motorcycle brake oil cap Material: Aluminum alloy Color: Grey, Black, Red, Gold, Blue, Green, Orange, Silver Length: 54mm Interface: Outer diameter 8mm, Inner diameter 4.5mm Applicable models: Any motorcycle Features: Simply the most beautifully designed and elegant fluid tanks out there and the finish is truly impeccable Aftermarket CNC Aluminum brake fluid reservoir Smooth surface with hard anodized finish Rubber ring seals inside to prevent leakage These fluid tanks are extremely easy to install. Comes with universal mount brackets Universal fits most of motorcycle. Perfect fit without modification. Brand new Material: Aluminum alloy Precision Machined Pivot Bore To Ensure A Perfect Fit Easy install, professional installation recommended Perfect fit, no modification is needed. Package includes: One piece of Motorcycle Brake Fluid Reservoir Cap