Portable Tire Inflator CO2 Pump with Safety Control Knob with a Venting Button fits Presta & Schrader Valves for MTB & Road Bike

digital display：Y High-concerned chemical：None Type：Manual Size：44.43*37.6mm Material：aluminum alloy Brand Name：QIUDANOW Origin：Mainland China Color：Grey / Black Weight：25.3g Compatible：Schrader/Presta Valves Bike：MTB/Road Bike Cartridge：3/8"-24TPI Threaded Cartridge

digital display: Y High-concerned chemical: None Type: Manual Size: 44.43*37.6mm Brand Name: QIUDANOW Origin: Mainland China Color: Grey / Black Compatible: Schrader/Presta Valves Bike: MTB/Road Bike Cartridge: 3/8"-24TPI Threaded Cartridge