Where the Ari Shafer is the new-school fat tire gravel bike, the Kona LIbre CR is a bit more traditional with just 700c x 45mm tire clearance. It wasn’t that long ago when 45mm tire clearance was ...

Pick a cordless inflator with real capacity, auto-stop, and a threaded chuck. Check “cold,” aim for the door-jamb PSI, and winter TPMS warnings fade away Cordless inflators with auto-stop and digital ...

Well, we’re charging along toward winter, and depending on where you are, fall is in full swing by now. Leading out today’s Gear Break we’ve got a durable, puncture-resistant Panaracer road tire and ...

Worm gear reducers play a key role in mechanical systems due to their ability to achieve high gear reduction in a simple, compact design. This unique functionality makes them suitable for a range of ...

It was only a matter of time, I guess, until autonomous vehicles got involved in NASCAR. Sure, I don't mean they'll race, as that would defeat the purpose of the competition, but for the first time ...

Few vehicle modifications have as major an impact as changing gear ratios, and it's because your car's gear ratio directly translates to how it delivers power. Think about it: The gear ratio, or how ...

Yokohama Tire has launched a new drive tire that it says improves fuel efficiency for long-haul fleets. Yokohama’s new BluEarth 718L is SmartWay-verified and is available in four sizes: 295/75R22.5, ...

A truck's rear differential gear ratio significantly impacts fuel economy and pulling power; higher ratios offer more torque for heavy loads and hills but reduce fuel efficiency, while lower ratios ...

A UCI memo, first reported by Daniel Benson, suggests that, come August, the UCI will begin trials of gear limits on competition bicycles for road races. Time trials, for now, are exempt, as it ...

Editor’s Note: We test and review every product we recommend. Read how MotorTrend tests products here. Keeping your vehicle in top condition starts with maintenance, and while I hate to sound like ...