When your car doesn’t start, often the battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best practice is ...

Rotor 2Inpower SL power meter review: Lightweight, dual-sided and well made It’s the lightest dual sided crank power meter, how important is that?

A power meter that uses chain movement for wattage estimate? Yep, the BikeOn ChainClick is ready for production and is only $184 for a limited time ...

Related: The crankshaft position sensor, typically mounted near or on the crankshaft, tells the engine computer how fast the engine is running.