Keep your Shimano Di2 or SRAM eTap AXS drivetrains properly adjusted with just a few steps.

More discussion about measuring chain wear, and the correct way to align chainrings.

Lennard Zinn conducted durability tests on the 13 most popular 11-speed chains. Zinn found the strongest (and the weakest) chains, and produced a cost-analysis chart for grading them.

Lennard Zinn put 1x and 2x drivetrains to the test at CeramicSpeed USA's laboratory to discover which produces more friction.

Wolf Tooth Components and OneUP Components offer affordable options to upgrade your mountain bike's drivetrain

In Technical FAQ, Lennard Zinn answers reader questions on BB threads and drivetrain compatibility, and takes feedback on helmet cams

From a cautionary tale about mashing up Ultegra on a budget to flawless wheel changes between 10- and 11-speed cogsets, Lennard Zinn touches on more drivetrain questions

This week, Lennard Zinn answers readers' questions about all things related to drivetrains

Lennard Zinn answers reader questions on building Frankenstein drivetrains from Campagnolo, Shimano, and SRAM

In Tech FAQ, Lennard Zinn dishes out advice on bringing Frankenstein drivetrains to life