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SRAM X01 Eagle 12-Speed GXP Direct Mount Crankset - Boost


Item # SRM00A1

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  • Red, 170mm/32t ($390.00)
  • Red, 175mm/32t ($390.00)
  • Black, 170mm/32t ($390.00)
  • Black, 175mm/32t ($390.00)
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Item # SRM00A1

Ready to soar.

Recent years have seen the rise of one-by drivetrains bringing the simplicity of a single front chainring to the trail while still allowing some gear changes when things get lumpy. SRAM's new Eagle drivetrain pushes the one-by envelope further with 12 cassette cogs for an even bigger reason to ditch the front derailleur and hop on the one-by train. The SRAM X01 Eagle 12-Speed GXP Direct Mount Boost Crankset puffs the chainline out three millimeters to pair with your Boost-equipped frameset and features an updated tooth shape for confident chain control and efficient power transfer.

Eagle's X-Sync 2 chainring builds on the OG X-Sync chainring's chain retention ability with a few updates coming with claims of even better chain control. As with the original design, each tooth is CNC-machined with a variable thickness from tooth to tooth, which support the chain's inner- and outer-link widths. This lets the chain and chainring essentially lock together as you pedal and pushes away mud with ease. Where the original X-Sync teeth boasted a boxy shape, Eagle's chainring features aggressively profiled teeth that hold the chain like a hungry cyclist fighting for the last piece of pizza before letting it glide back to the cassette for smooth, snag-free spinning.

SRAM utilizes its Carbon Tuned technology to fashion the X01 Eagle arms with a proprietary carbon layup that increases stiffness where it's needed and minimizes excess material for an overall reduction in weight. In contrast to its top-tier XX1 Eagle cousin's hollow core construction, the X01 Eagle crank arms feature a foam core that adds a handful of grams while keeping costs down without impacting responsiveness. The direct-mount chainring interface also affords the option of quickly subbing different sized rings for different shapes of terrain, allowing flexibility to adapt to the day's planned route.

  • SRAM reimagines one-by with its groundbreaking 12-speed crankset
  • Stiff carbon crank arms efficiently transfer power
  • Updated tooth shape locks the chain in line
  • Foam core construction reduces weight with a budget in mind
  • Easily customize gearing with centerlock chainring

Tech Specs

Arm Material:
carbon fiber with foam core
Arm Length:
170 mm, 175 mm
Chainring Sizes:
32 t
BB Type:
Compatible Components:
SRAM X01 Eagle, SRAM XX1 Eagle
Recommended Use:
mountain bike
Manufacturer Warranty:
2 years
Actual Weight:
Red, 170mm/32t: 492g; Black, 170mm/32t: 496g

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