SRAM Eagle S100 Boost Crankset with X-SYNC 2 Steel Chainring for MTB Drivetrain

The SRAM Eagle S100 crankset is engineered to elevate your mountain biking experience with its robust aluminium crank arms and precision steel X-SYNC 2 chainring. Designed specifically for the modern Eagle drivetrain, this crankset ensures reliable chain retention and smooth power transfer, even under the most demanding trail conditions. Its durable construction promises long-lasting performance, giving riders the confidence to tackle technical terrain without hesitation.

With a range of crank arm lengths from 155 mm to 175 mm, the S100 allows customization for an optimal fit, enhancing pedaling efficiency and comfort. Its compatibility with the Eagle 12-speed drivetrain system and PowerSpline bottom brackets ensures seamless integration with your existing setup. Additionally, the chainline options of 49 mm and 52 mm provide flexibility to match various MTB frame standards, making it a versatile choice for riders seeking both performance and adaptability.

Whether you are upgrading your components or building a new bike, the SRAM Eagle S100 crankset delivers consistent, dependable performance. Its 3-bolt direct mount interface supports quick and secure chainring installation, while the steel chainring material is optimized for durability and chain stability. Choose from 30T, 32T, or 34T chainring sizes to suit your riding style and terrain preferences.

What It’s Good For

• Enhancing power transfer efficiency on technical mountain bike trails
• Providing superior chain retention with the steel X-SYNC 2 chainring
• Offering multiple crank arm length options to optimize rider fit and comfort
• Seamlessly integrating with the Eagle 12-speed drivetrain ecosystem for reliable shifting
• Compatibility with PowerSpline bottom brackets for easy installation and maintenance
• Adapting to various MTB frames with two chainline options (49 mm, 52 mm)

What It’s NOT Good For

• Use with drivetrains other than the Eagle 12-speed system
• Applications requiring integrated power meters, as this model does not include one
• Riders seeking cranksets designed for road cycling or non-MTB disciplines
• Configurations that require chainring sizes outside the 30T–34T range

Frequently Asked Questions

Is the SRAM Eagle S100 crankset compatible with all Eagle drivetrains?
Yes, the S100 crankset is designed specifically for the Eagle 12-speed drivetrain ecosystem, ensuring full compatibility and optimal performance.

Can I choose different crank arm lengths with this crankset?
Absolutely. The S100 offers multiple crank arm lengths ranging from 155 mm to 175 mm, allowing riders to select the best fit for their riding style and anatomy.

Does this crankset come with a power meter?
No, the SRAM Eagle S100 crankset does not include a power meter. It focuses on delivering durability and reliable drivetrain performance.

What chainring sizes are available with the S100 crankset?
You can choose from 30T, 32T, or 34T chainrings, providing options suitable for different terrain and riding preferences.

Is the crankset compatible with all bottom brackets?
The S100 is compatible with PowerSpline bottom brackets, which are standard for SRAM Eagle drivetrains, ensuring easy installation.

Where can I find other SRAM components to complement this crankset?
Explore our full SRAM collection for compatible derailleurs, cassettes, and complete Eagle drivetrain systems to build the perfect setup.