Gear – Drivetrain


4 Reasons to run OneUp Shark

A 500% chance of OneUp Sharknado

“In all honesty, I had to chew through my aversion to the marketing behind the new 500% gear range 1x setups…”

Comments (51)


Say Good-Bye to Press Fit Bottom Brackets?

No More Creaking?

Sane bottom bracket designs that thread into themselves for improved performance and longevity as replacements for press fit bottom brackets…

Comments (10)


Wolf Tooth: Stainless Rings + Boost Conversions

Steel Teeth!

Tired of replacing narrow wide chainrings? Stainless may be your ticket. And if you have been hanging onto some 135 hubs – you’re in luck…

Comments (17)


3 Alternative Drivetrains

No SRAM or Shimano

The big two have a stranglehold on mountain bike drivetrains, but there are few brands clawing for market share and credibility…

Comments (6)


Pinion Gearbox Drivetrains

Six hamsters arm-wrestling in your BB

Their catalog is so precise that the pages can be used to cut limes. My margarita tastes great, by the way.

Comments (10)


Tools Missing from your Pack

Almost Everything...

The balance between having everything you need to keep you riding and keeping your pack a reasonable weight is a fine one…

Comments (55)


The Indestructible Renthal 1XR Chainring

Narrow and Wide

“The Renthal name carries a reputation for durable high-quality sprockets from their long tradition manufacturing motorcycle products…”

Comments (37)


Sweating the Small Things @ Crankworx 2016

Nerding my way through the little details

Andrew Major appreciates and identifies the small details that set bikes, mechanics, shops and manufacturers apart…

Comments (2)


Transition Patrol Carbon vs. SRAM Eagle

Transition-ing to Eagle : First Look

This bike is an embarrassment of riches, with Eagle, a new Lyrik, Roam 60 wheels, a 2017 Reverb and a shiny new carbon frame…

Comments (15)



Bargain DH Drivetrain

“With its main objectives being durability and dependability, GX DH is the clear choice to bring more riders to the mountain…”

Comments (2)


SRAM EX1: Does ‘E’ stand for ‘Everyone’

8 Speeds for Human Power

Andrew Major isn’t a fan of e-bikes but he sees great potential or SRAM’s new E group to be used on ‘meat powered’ bikes…

Comments (39)

Wolf Tooth GC45 thumb

Wolf Tooth GC45 Cassette Extenders

11-45 Conversions for Shimano

Optimized for Shimano 11-40 and also compatible with their 11-42 cassettes, Wolf Tooth GC45 cassette extenders present another drivetrain option.

Comments (2)


12 Speed: Progress Or Excess?

Ask Uncle Dave?

“And then I’d hit them right in the [email protected] face with a totally unexpected doozy of a change that required all sorts of really fancy, expensive sh!t…”

Comments (25)


Rocky Mountain Thunderbolt: First Impressions

Words - Pete Roggeman

Our Shimano XTR Di2 equipped Rocky Mountain Thunderbolt is an electronic shifting-equipped boogie machine. We’ve dubbed it ‘Thundervolt’.

Comments (29)


Wolftooth Drop-Stop Elliptical Chainring Review

Words - Perry Schebel

“Occasionally, on lung barfing tech climbs, when the pedal stroke sometimes gets a bit ragged, there are moments when you anticipate a spin…”

Comments (14)