Aluminium Alloy Bicycle Double Bottle Cages Adapter Mounting Base

Specification:
Color: Black,red,blue,orange,silver
Size: 130*115*65mm
Material: Aluminium alloy

Features:
Install under the seat,save your space
Two bottle cages can be installed,suitable for long time or long distance bicycle competition

Package included:
1 X Bicycle Double Bottle Cages Adapter