As to which model to choose, it depends on the bike. For a racing bike you’ll want a pump with a small-diameter cylinder, e.g ...

The Tubes have a seamless construction, with a mold-cured vulcanization, to ensure uniform roundness Size: 28" - 700x25-32mm Valve type: 42mm Presta Valve Contents: 4 Continental Inner Tubes ...

[CaptMcAllister] found a new RFID sensor platform from TI and managed to make a wireless pressure sensor that fits in the inner tube of his bike. The sensor [Capt] is using comes from TI’s RF430 ...

This is the third column in a series on how to customize your new, or new-to-you, bike or e-bike to make it the most ...