Although some maintenance schedules include an interval for replacing the positive crankcase ventilation, or PCV, valve, others may not. In the latter case, a general recommendation is to replace ...

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 ...

The gashed one was a simple rubber hose—the only one in the A/C system—that I easily fabricated myself. The other was a hybrid rubber-and-bent-aluminum hose that’s unique to the car. Fortunately, it ...

This article was originally published with the title “Air Pressure Relief Valve for Hose Couplings” in Scientific American Magazine Vol. 74 No. 19 (May 1896), p. 292 doi:10.1038 ...

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… ...

The unit’s dimensions are 6” x 1.5 ”x 2” and it comes with a 17.5” hose with Schrader valve. Also included are a Presta valve adaptor and needle valve.

Evoc Hip Pack Pro E Ride 3 I have tested a few hip bags in the past, the Hyperlite Versa, and the Raceface Stash Hip and Gear bag. The Evoc Hip Pack Pro E Ride 3 is not only the best of the lot, it ...

Known for all kinds of essential bicycle, moto, and even UTV bits, Muc-Off has some new Big Bore Valves. The new valves will be coming in three flavors, Lite, Hybrid, and Ludicrous, (no, not this ...