Your sports partner, essential accessories for riding outComplete functions, let you sweatMatching with your bicycle can be more beautiful, easy to use, and protect your water glass wellYou can get a water bottle during exercise anytimeFeatures:1.This extender is used for water bottle holder,adapting to your bicycle,if your bicycle is not fit for your own bottle holder.2.Alumunium alloy,high intensity and high quality,durable and rust resistance.3.Easy to assemble and disassemble,great adapter for your bicycle,and water bottle is necessary to carry while cycling for long time.4.Apply to majority of bicycle,such as MTB,road bike,fixed gear and etc.5.2 colors can be optional,and you can the better one to match with your bicycle.extender only,other accessories demo in the picture are not included!Specification:Material: Aluminum AlloyType: Water Bottle ExtenderColor: Black,Red(optional)Size: One SizeLength: 75mm(2.95in)Quantity: 1 Pc