Topeak Ninja stands for integrated and almost invisible functionality. With the Topeak Ninja Master+ CO2 Fuelpack, you always have your CO2 pumping set discreetly under the Ninja bottle holder of the Master+ series. The cartridge pack can be conveniently and quickly opened by turning it to the side. However, with the included Frame Mount, you can also attach the cartridges directly to the bottle holder mount or using cable ties to the frame or seat post. Features: - Compatible with Topeak bottle holders from the Ninja Master+ series - Alternative mounting through Frame Mount holder on the frame, stem, seat post, or bottle holder mount - Tidy and integrated design - Includes CO2 inflator pump head made of aluminum - Fits Presta (SV) and Schrader (AV) valves - Inflation at the push of a button - 16g cartridges with threading - Weight: 129 g Delivery contents: - 1 x Topeak Ninja CO2 Fuelpack - Includes 2 x Topeak 16 gram cartridges with threading - Includes Micro Airbooster CO2 inflator