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Item # SRM0549

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Item # SRM0549


SRAM’s XX1 one-by-eleven groupset took the world by storm, and provided cyclists everywhere a glimpse into a future free of the hassles of front derailleurs. And the SRAM X01 GXP Crankset is part of the first wave of trickle-down tech. Running on the same composite arms as its XX1 brother, it forgoes the proprietary 76mm bolt circle diameter of XX1, for a larger 94mm BCD. In the process, you save a few of your hard-earned bucks and get a crankset with a more subdued aesthetic. But you still get the X-SYNC tooth profile, which renders a chain guide obsolete. So if you’re ready to leave your front derailleur behind, the X01 Crankset will help you take a step towards a brighter future.

Borrowing heavily from its XX1 sibling, X01 is designed to works as a part of a system, with each piece designed for precision and seamless execution. Individually, these components represent a radical approach to building a more effective bicycle transmission. And taken by itself, the X01 Crankset sets itself apart with its sleek carbon fiber arms, and revolutionary X-SYNC single chainring.

The carbon arms are mated to an aluminum spider for a lightweight single-ring setup interface. The X-SYNC chainring is designed for maximum chain retention, with each tooth CNC-machined to support the inner and outer links. The machining process provides a variable thickness from tooth-to-tooth, so the chain and chainring lock together as you pedal. When taken in conjunction with the Type 2 roller clutch rear derailleur, chain retention is no longer an issue, which frees the drivetrain from the drag of chain guides, and also your suspension bike from efficiency-robbing, granny-ring-induced pedal feedback.

The new chainring's 94mm bolt circle diameter also sets it apart from others in the SRAM catalog. It provides a stiff interface that powerful riders will appreciate. Granted, as compared to XX1, the larger bolt circle diameter means that the X01 Crankset forgoes the option of a 28-tooth chainring, but that should only be a factor for those whose rides regularly include long, steep, grueling fire road climbing.

The SRAM X01 GXP Crankset has a 168 Q-factor, and it's available in the colors Black and Red. It's available in 170 and 175mm crank arm lengths and comes with the option of a 30, 32, 34, 36, or a 38-tooth chainring. Many frames are limited to a 32t middle ring. If you’re unsure, please check the manufacturer’s recommended chainring spec to avoid compatibility issues.

Tech Specs

Arm Material:
carbon fiber
Arm Length:
170 mm, 175 mm
Chainring Sizes:
30 t, 32 t, 34 t, 36 t, 38 t
Bolt Circle Diameter:
94 mm
Bottom Bracket:
GXP (sold separate)
Compatible Components:
X01, XX1
Claimed Weight:
175mm arms, GXP BB, 32t chainring 700 g
Recommended Use:
mountain biking
Manufacturer Warranty:
2 years

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Avg. ride time: 4h 12m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Heads up!

  • Familiarity: I've put it through the wringer

BB is not included with the crankset! You will need to purchase a GXP bottom bracket.

That being said, this is an awesome crankset. Stiff, stealth, and strong!

Crank It Up

    This is the crankset of choice. Choice meaning that this crankset lacks nothing. The folks at SRAM put some time and effort into the 1X set up and they definitely spent some time on this carbon fiber crankset. With plenty of gearing options for your liking and built in protective tape to keep your shoes from rubbing that pretty carbon fiber this crankset is dialed in.

    Avg. ride time: 1h 33m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    Great gear options, BUT...

    • Familiarity: I've used it several times

    I really did a lot of research on gear ratios before deciding on the 1x11 set up. I went with the 34T chain ring and was loving it UNTIL, I found that it rubs the frame (chainstay) when ridden hard. Granted this is a frame design problem, or is it. The issue is complicated, but i think that it would be hard to design any frame that will run a 3x9, 2x10, and 1x11 properly. So i thing that the 1x11 crank needs to be rethought a bit to allow a bit more clearance.

    What frame and Q-Factor are you using?
    This will improve your chain clearance issue.

    Bada$$ crank, not only for 1x11...

    • Familiarity: I've put it through the wringer

    I am using this on my 1x10 set-up paired with an Absolute Black no-drop chainring and X9 type 2 rear der with NO chain guide and its great. Its very light, the arms are stiff, and they come with clear protective tape in key areas.