Description: The surface is sandblasted and anodized to effectively increase corrosion resistance, insulation and heat resistance. Our bike kettle rack adapter fits the most common kettle rack on the market. It has a simple installation process and angle adjustable design. Made of high quality aluminium alloy material, it is durable. The length of the adapter is 7.5cm, the width is 5.5cm, and the thickness is 2cm. It is suitable for handlebars with pipe diameters of 19-33mm. Item Name: Bottle Holder Adapter Material: Aluminum Alloy Colors: Black, Red, Blue, Purple, Golden Features: Good Toughness, Adjustable Angle, Wear-resistant Size Details: Size: 7.5cm x 5.5cm x 2cm/2.95" x 2.17" x 0.79" (Approx.) Notes: 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. Package Includes: 2 x Gaskets 1 x Bottle Holder Adapter The surface is sandblasted and anodized to effectively increase corrosion resistance, insulation and heat resistance. Our bike kettle rack adapter fits the most common kettle rack on the market. It has a simple installation process and angle adjustable design. Made of high quality aluminium alloy material, it is durable. The length of the adapter is 7.5cm, the width is 5.5cm, and the thickness is 2cm. It is suitable for handlebars with pipe diameters of 19-33mm.