Bicycle Double Head Water Bottle Holder Extender Adapter Bike Modification Drinking Cup Alloy Cage Extension Parts MTB Description: 100% brand new and high quality Features: Made of high quality durable alloy material,high intensity rust resistance and long service life. This extender is used for water bottle holder,adapting to your bicycle,if your bicycle is not fit for your own bottle holder. Easy to assemble and disassemble,great adapter for your bicycle,and water bottle is necessary to carry while cycling for long time. Apply to majority of bicycle,such as MTB,road bike,fixed gear and etc. Specification: Type: Bicycle Bottle Holder Extender Material: Alloy Applications: Bicycle MTB Mountain Road Bikes Features: Bicycle Bottle Holder Extender,Adapter Bike Modification,Cup Cage Extension Parts,Supplies Riding Accessories Dimension: app.8cm/3.14in Color: Red,Black (optional) Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement.pls make sure you do not mind before you bid. 2.Due to the difference between different monitors,the picture may not reflect the actual color of the item.Thank you Package includes: 1 Pc x Bicycle Bottle Holder Extender