Minimize your time off-the-bike during trail-side flat fixes with the high-volume Air Support HV hand pump. A large chamber allows you to inflate tires up to 60 psi with ease, and a reversible valve head means you can quickly switch from Presta to Schrader without a hassle. This durable pump fits easily into your hydration pack, or use the included bracket to mount it under your bottle cage. Durable, high-quality MTB pump with larger volume chamber for higher volume tires Inflate larger tires to 60 psi (4bar) with little effort Reversible valve head fits both Presta and Schrader valves Fold-out lever securely locks pump head to valve Mounting bracket fits easily under bottle cage