Components - Drivetrain

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...

A long problem-free test period the post ride inspection was almost perfect - but not quite....

Shimano's top of line MTB group finally goes full time 1x - and this one goes to 12 - but there are other highlights help you win at gear...

If you have a SRAM 11spd shifter, e*thirteen has devised a way to reach EAGLE territory on your own...

Shimano goes deep with 1x and 12spd while pushing innovation with virtually every component - but can XTR get back on top...

This 38-gram tool performs some critical tasks that could save a ride – and where your multi-tool won't help you...

Giving this cassette a fair test would have meant a fresh chain, one chainring and no swaps - this instead was an unfair test...

"They will retail for 999 USD and will be available through Cane Creek distributors and retailers or factory direct through the company’s website..."

A discussion over beers turns to SRAM's new DUB BB and crank and Andrew Major injects some perspective about standards...

Enduro Bearing makes a solution in both ceramic hybrid and stainless with external seals and double row bearings...

After 7 months on SRAM's GX Eagle drivetrain how does the performance stack up to the more expensive XX1 and XO1 groups...

SRAM's goals were simplicity, durability and compatibility but no new standards were created and no old ones were harmed...