Components - Drivetrain

Mix things up on your mountain bike, for the price of a friction thumb shifter and become a better rider in the process.

How close can the third tier drivetrain come to XT - or even XTR?

Shimano's second tier group has never been closer to XTR.

Could the Shimano Deore M6100 12spd be the only drivetrain that really matters?

"Generally speaking there will always be some small company there waiting for the big boys to drop the ball..."

SRAM's new XX1, X01, and GX drivetrains represent mostly incremental performance and cosmetic updates, and one big change: the new Eagle cassette is the tooth count leader with 52 teeth.

Where I talk about the off-the-shelf, 409%, ultra-reliable gearbox that's available for less money than a high-end 12spd cassette...

Options are a beautiful thing for mountain bikers - and we've just been through a period when drivetrain choices were narrower than ever...

Some good news and some bad news - several months or years after first reviewing these products...

The coolest feature of AXS is the DATA; which of the 12-cogs get the most use and shifts-per-Kilometer and, on the North Shore, do we need more gears or fewer?

You can buy fancier sh*t, but the Race Face Aeffect R 7050 aluminum crankset and 170mm dropper post are really all anyone needs...

Box Components jumps back to 1999 with a new-for-2019 9-spd drivetrain. What's next? Gearboxes for everybody? 5-spd derailleur systems? Single speeds?!

After more than 1/3 of a year on my hand-picked test parts - it's time to put performance under the microscope...

Fresh clip-in kicks from Bontrager, updated 7050 arms for Race Face Aeffect cranks, and a WTB tire that I hope works as well in the wet as it does in the dry...

The 4th generation of e*thirteen's LG1 cranks are among the lightest available for aggressive gravity focused riders…

This incredibly light and beautiful crankset is not for everyone - but if you aren't the type to bust arms in half they might be for you...

The trickle down from XTR 9100 is on but can Shimano deliver solid performance on a budget that will compete with SRAM?

After pushing up numbers in road in 2018, the Spanish concern has launched an MTB drivetrain - without cables...

The unique looking Afterburner crankset features stiff arms, a lightweight package and a fair price of 130 USD.

Many different lengths, an optional protruding protector - and the option to make your bike easily trainer compatible in winter...

With their new wireless XX1 and XO1 drivetrains and Reverb, SRAM has once again defined the bleeding edge of mountain bike componentry.

The boldest attempt by any company to revolutionize mainstream drivetrains - ever. And as serious as that sounds, it was overshadowed by a really fun, cheesy, and chill marketing campaign.

A fancy angleset, winter boots for temperate climates and a set of cranks that won't break the bank or the scale...

After several months of use the verdict is in on e*thirteen's kit to boost your 11-spd SRAM drivetrain to 12 with 511% range...