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  • SRAM - XX1 Eagle 12-Speed GXP Direct Mount Crankset -

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  • SRAM - XX1 Eagle 12-Speed GXP Direct Mount Crankset -

SRAM XX1 Eagle 12-Speed GXP Direct Mount Crankset

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3 Reviews


It's time to fly.

With the recent trends leaning heavily towards one-by simplicity, rumors of a 12-speed cassette cog have been swirling for some time. SRAM is first to the game with its revolutionary Eagle drivetrains, and the XX1 Eagle 12-Speed GXP Direct Mount Crankset plays an integral part in rocking the trail with a new range of gears and a sparkle of golden flair.

Building on the OG X-Sync chainring's storied chain retention ability, Eagle's X-Sync 2 chainring ups the ante with claims of even better chain control. As with the original, each tooth is CNC-machined to support the chain's inner- and outer-links and provide a variable thickness from tooth-to-tooth, so the chain and chainring effectively lock together as you pedal. Where each tooth took on a boxy profile in the original version, Eagle's chainring boasts aggressively profiled teeth to grab the chain and fend of mud for smooth, friction-free function.

SRAM utilizes its Carbon Tuned technology to build the XX1 Eagle arms with a specific carbon layup that reduces weight while increasing stiffness and durability. Their hollow construction results in a light, responsive platform that lets you dance on the pedals and power through all manner of terrain. The direct-mount chainring interface also affords the option of quickly subbing different ring sizes for different courses, giving the true all-mountain racer a bit of start-line flexibility to adapt to a given trail.

  • The racing standard for one-by, 12-speed cranksets
  • Lightweight hollow arm construction
  • Stiff carbon layup transfers power efficiently
  • Aggressive tooth shape locks the chain in line
  • Easily customize gearing with centerlock chainring interface
  • Gold accents add a touch of bling
  • Item #SRM00A4

Tech Specs

Arm Material
carbon fiber
Arm Length
170 mm, 175 mm
Chainring Sizes
32 t
BB Type
Compatible Components
SRAM Eagle XX1, SRAM Eagle X01
Claimed Weight
465 g
Recommended Use
mountain bike
Manufacturer Warranty
2 years

Tech Specs

  • Reviews
  • Q & A

What do you think about this product?

Have questions about this product?

SRAM XX1 Eagle 12-Speed GXP Direct Mount

  • Familiarity: I've put it through the wringer

Agree 100% with what the other reviewers said but they missed what I feel is the most important feature; Eagle give you more low end compared to the 11spd cassettes which keeps you in the middle of the range. This simple change keeps the chain line much straighter and reduces the stress on the cassette during shifts - ultimately I feel it will last much longer that the 11spd xx1 drivetrain.

The best of the best

  • Familiarity: I've put it through the wringer

I've been riding XX1 eagle for about 1 season now and I have to say it is the best of the best. The dinner plate 50T cog in the back allows you to up your chainring by a couple teeth which makes the gearing that much better on the lower end of the cassette. Some people have had some issues with getting the derailluer dialed in to make the jump from the 42T cog to the 50T but after I played with the b-screw on the derailluer for about 5 minutes, it was running quite smooth. Performance is identical to XX1 1x11 but now you can have blinged out gold in 1x12.

World Champ

  • Familiarity: I've used it once or twice and have initial impressions

Riders from the Sram pro teams have been testing the Eagle drivetrain in a variety of conditions. A lot of blood, sweat, and gears have gone into its development and what has come out is nothing short of impressive. The engineering of each piece of the drive train has allowed riders to benefit in a number of ways and it is no surprise to see the signature gold Ti-nitride gracing podiums from the US to Nove Mesto.

If the pros can use a bail out gear, so can the rest of us. The Eagle 12-speed cassette allows for a massive range and can be paired with a variety of different Eagle Chain rings to optimized gear ratios based on your chosen terrain. Shifting is as silky smooth and exact as ever and the new Eagle chain is manufactured through an exhaustive 37-step process to ensure precision. When you put this group on your bike, be ready to blow the doors off your competition, even if its just yourself.

Feel free to contact me directly for your next build or to upgrade your existing drivetrain.

My Schedule is as follows:

Mon-Thurs: 7am-530pm

I can be reached at, on Chat as Sean Z, or by phone at 801-736-6396 x 4739

World Champ