Park Tool Pump Mini PMP-4.2 - Black PLP|Model Year you need to make sure

you need to make sure you're also drinking

and take flight

so shouldn't be used for gravity type riding

The female specific fit allows for better freedom of movement and comfort

Spoke Type: J-bend

Park Tool Pump Mini PMP-4.2 - Black PLP|Model Year you need to make sureThis small mini pump is a perfect size to take along on a bike ride, offering an ideal balance of portability and pumping power. Ideal to take along when space and weight are an issue. Aluminium barrel with a soft touch dual density flip out handle. The locking head is Presta and Schrader valve compatible. Includes pump holder and hardware to securely attach to water bottle bosses or under bottle cage.