Drivetrain

SRAM XX Eagle AXS T-Type delivers fully wireless, hangerless precision shifting that gets faster and smoother the harder you push. The SRAM XX Eagle AXS T-Type Groupset is SRAM's top-tier trail and enduro drivetrain, and it earns that title by rethinking the drivetrain from...

SRAM X0 Eagle AXS T-Type delivers bombproof wireless shifting with a hangerless transmission system built for riders who refuse to baby their drivetrain. The SRAM X0 Eagle AXS T-Type Groupset is the sweet spot of the Eagle Transmission lineup: serious performance hardware with the...

Shimano XTR Di2 M9250 brings fully wireless, lightning-fast 12-speed electronic shifting with race-hardened durability to riders who refuse to compromise on performance. The XTR Di2 M9250 Drivetrain Upgrade Kit is Shimano's crown jewel, and it shows. At the heart of the kit sits the...

The SRAM GX T-Type Eagle AXS Upgrade Kit brings wireless electronic shifting to your existing bike, so you stop thinking about your drivetrain and start thinking about your line. Wrenching on a mechanical drivetrain is satisfying right up until it isn't. Cable stretch, limit...

SRAM GX Eagle AXS Upgrade Kit brings cable-free wireless shifting to your existing Eagle drivetrain, delivering instant, precise gear changes on every ride. Cutting the cable has never been this accessible. The SRAM GX Eagle AXS Upgrade Kit lets riders already running an Eagle...

Shimano Deore XT Di2 M8250 brings fully wireless, crash-proof 12-speed precision to your trail bike without replacing your entire drivetrain. The Shimano Deore XT Di2 M8250 Drivetrain Upgrade Kit is the fastest way to go fully wireless without starting from scratch. Keep your cassette,...

SRAM GX Eagle's wide gear range and reliable shifting keep you pedaling smoothly through every climb and descent without fussing with your drivetrain. The SRAM GX Eagle DUB groupset brings the legendary Eagle drivetrain ecosystem down to a price point that lets you spend...

SRAM XX Eagle T-Type XS-1297 delivers a massive 520% gear range with load-shifting precision that gets better the harder you pedal. The SRAM XX Eagle T-Type XS-1297 is the cassette that sits at the heart of SRAM's flagship Eagle Transmission system. Built around a...

Shimano Deore Di2 M6250 brings XTR-level wireless shifting precision to your trail bike at a price that won't make your wallet cry. Wireless electronic shifting used to mean selling a kidney. The Shimano Deore Di2 M6250 Drivetrain Upgrade Kit changes that, bringing the same...

At 354g, the Race Face ERA SL is the lightest mainstream crankset you can actually ride hard every day, with a stainless steel wear plate that keeps scuffs from ever becoming a conversation. Most lightweight cranksets come with a catch: treat them gently or...

Race Face ERA Cranks bring lifetime-warrantied carbon strength, stainless steel durability, and trail-ready versatility to riders who refuse to choose between light and tough. The Race Face ERA is the Canadian brand's most durable carbon crankset ever, and it shows. Carbon arms are paired...

SRAM GX Eagle T-Type AXS Rear Derailleur brings flagship wireless transmission tech to trail-ready riders who want precision shifting, bomber durability, and zero cable clutter at a price that won't wreck your season. The GX Eagle T-Type AXS is SRAM's workhorse transmission derailleur, and...

The XG-1295 X01 Eagle cassette delivers a massive 10-52T gear range so you can spin comfortably up brutal climbs and still find a hard gear for fast, flat pedaling without ever swapping equipment. Riders who push into bigger terrain quickly discover that a cassette...

Shimano XTR CS-M9200 Hyperglide+ delivers race-proven 12-speed shifting with a massive 510% gear range, built for riders who refuse to let terrain dictate their pace. The Shimano XTR CS-M9200 is the flagship 12-speed cassette from Shimano's top-tier XTR groupset, and it earns that title....

Freakishly Strong For a Lightweight A healthy amount of Race Face ingenuity and legit mtb pedigree go into the Next R crankset. These optimized carbon overachievers pack an unbelievable strength-to-weight ratio earning them an Enduro rating at a XC weight. Specs Available Chainlines : 52mm...

Race Face NEXT R Cranks deliver enduro-ready strength in a featherweight UD carbon package, built for riders who refuse to choose between performance and durability. The Race Face NEXT R Cranks are the sweet spot between go-fast weight savings and go-hard durability. The arms...

Just when you thought it couldn't get any better, our trusted, performance driven Next SL crankset has been refined yet again. Race Face made improvements in its carbon layup and manufacturing process that improved stiffness for precise power transfer. This new, industry defining strength is achieved with a modest reduction...

We took our years of World Cup racing experience, and using a patented process, turned them towards making the lightest production carbon crankset on the market. Sub 360g w/o chainring - Sub 400g with chainring.Lightweight, 30mm spindle, APS preload adjuster, and self-extractor bring the...

In contrast to our Gen3 carbon cranks, the Q Factor, overall profile, and volume of our Gen4 cranks has been greatly reduced. Spindle  has been moved to the non-drive side for easier chainguide setup and drivetrain maintenance. The adjustable chainline accommodates non-Boost, Boost, and Super Boost setups....

World Cup proven for years, and in contrast to our Gen3 carbon cranks, the Q Factor, overall profile, and volume of our Gen4 cranks has been greatly reduced. Spindle has been moved to the non-drive side for easier chainguide setup and drivetrain maintenance. The...