Material type:Metal Number of items:1 Product Dimensions:1 x 1 x 1 cm; 21.07 Grams Features: - Made of quality metal material, durable and can be used for a long time. - It can be placed next to the water bottle position, such places usually have two. - Lightweight and compact designed, easy to carry and install as well as for use. - Both two CO2 cartridges are stored safely and within an easy-reach distance. - Suitable for most bikes, such as mountain bike, road bike, folding bike, etc. Specification: Brand: ZTTO Condition: Brand New Material: Metal Optional Color: Black, Red Size( L x W ): Approx. 8.5 x 7.2cm / 3.3 x 2.8in Weight: Approx. 23g Packing Include: 1 x CO2 Cartridge Holder 2 x Screws * ONLY the bottle bracket, other things in picture are not included. Note: Please allow 1-2cm error due to manual measurement and make sure you do not mind before ordering. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. About this item [Simple, Compact and Light]: Lightweight and compact designed, this bicycle CO2 cartridge holder is very easy to carry and install as well as for use [Holds 2 Threaded CO2 Cylinders for Bicycle Pumps]: Both two CO2 cartridges are stored safely and within an easy-reach distance [High Strength and Hardness]: Our bicycle cartridge holder is made of quality metal material, durable and can be used for a long time [Easy and Convenient Way to Carry Extra CO2 Pump Cartridges]: Suitable for most bikes, such as mountain bike, road bike, folding bike, etc [Easy Mounting Behind Bottle Cage]: CO2 cartridge bike holder can be placed next to the water bottle position, which is convenient and practical [Simple, Compact and Light]: Lightweight and compact designed, this bicycle CO2 cartridge holder is very easy to carry and install as well as for use [Holds 2 Threaded CO2 Cylinders for Bicycle Pumps]: Both two CO2 cartridges are stored safely and within an easy-reach distance [High Strength and Hardness]: Our bicycle cartridge holder is made of quality metal material, durable and can be used for a long time [Easy and Convenient Way to Carry Extra CO2 Pump Cartridges]: Suitable for most bikes, such as mountain bike, road bike, folding bike, etc [Easy Mounting Behind Bottle Cage]: CO2 cartridge bike holder can be placed next to the water bottle position, which is convenient and practical