Mountain DA

The Topeak Mountain DA Bike Pump delivers fast, effortless tire inflation for MTB and fat bikes thanks to its oversized aluminum barrel and Dual-Action (DA) technology, which doubles air volume on every stroke. Compatible with Presta, Schrader, and Dunlop valves, this versatile mini pump handles up to 60 PSI and includes an integrated dust cap to keep the pump head clean. Built from durable aluminum with a secure thumb lock lever, it ensures an airtight seal during use. Compact and lightweight at only 4.44 oz, it mounts easily to your frame with the included side bracket-perfect for trailside repairs and adventure rides. Dual-Action Inflation: DA mechanism doubles air output on each stroke for quicker fills, ideal for large-volume MTB or fat bike tires. Universal Compatibility: Works with Presta, Schrader, and Dunlop valves; integrated dust cap prevents debris between uses. All-Metal Durability: Oversized aluminum barrel and robust components ensure reliable inflation performance and long-term resilience. High Volume Capacity: Efficiently inflates tires up to 60 PSI / 4 bar, giving you consistent pressure and fast recovery when riding off-road. Portable Design: Compact 8.8 x 1.8 x 1.3 in size and 4.44 oz weight include a side mount bracket for convenient frame attachment and travel. Manufacturer Sku: TMDA-1Todson Sku: 61103020