The Clik Valve air chuck. The front portion unthreads to act as an adapter for a Schrader valve pump. ©C. Lee/Cyclocross Magazine The threads on the backside of the air chuck head are the same as a ...

Designed for use with both Presta and Schrader valves, it has a screw-on chuck (as opposed to the kind that locks on with a lever) which, while more secure overall, is known to increase the risk ...

The Pocket Drive CO2 is also small, but this one keeps the signature Lezyne hose. Additionally, it has a CO2 chuck stored on the end of the pump, so you can use CO2 to get rolling in a hurry, and the ...

If you’ve worked on a high-end mountain or road bike for any length of time, you have likely cursed the Presta valve. This humble century-old invention is the bane of many a home and professi… ...

Our top recommendation for a basic engine compression tester is this simple kit from INNOVA. While the INNOVA 3612 is a basic set, it contains all you’ll need to easily check your engine’s ...

How Schrader and Presta valves compare 4: Spin the wheels Make sure the wheels are secured to the frame. Hold one end of the bike off the ground and spin the wheel.

These valve stem caps are made in the U.S. from once-fired American-made 40 caliber rounds. Obviously they don't have any live primers, powder, or any explosives, so they're completely safe to use.

Compatible with both Presta and Schrader valves, this pump locks on via a long, flexible (and retractable) hose. Reviewers say it prevents strain and damage to the valve stem or disconnection.

Inflates up to 100+ max PSI Choose between PSI, KPE, BAR, or KG/CM2 inclination units Valve chuck works for Schrader and Presta valves Built-in flashlight Nylon carry bag One-year warranty ...