Multifunctional adapter can carry a gas cylinder(not included) and two water bottle cages(not included).

Features:
Aluminum alloy construction,super strong and lightweight.
Ultra easier to carry 2 water bottles or 1 water bottle.
Middle screwed hole to carry a CO2 tire inflation cylinder(not included).
Come with a pair adapter pads.Suitable for bike handlebar/seat tube with 32mm-55mm diameter.
Easy to install and remove.

Specification:
Color: Red / Blue / Black (optional)
Material: Aluminum alloy + Stainless steel
Weight: approx. 75.9 g / 2.7 oz
Package weight: approx. 104.5 g / 3.7 oz

Package List:
1*Multifunctional adapter
1* Pair of Plastic Pad
2* Bolt
1* Wrench