SRAM S100 Aluminium Crank Arm Assembly Powerspline 3-Bolt Direct Mount

The SRAM Eagle S100 Crank Arm Assembly combines robust aluminium construction with precision engineering to deliver reliable and consistent performance for mountain bike enthusiasts. Designed specifically to complement the Eagle drivetrain system, this crank assembly offers durability and stiffness essential for tackling rugged trails and challenging terrains. Its lightweight yet strong aluminium arms provide a solid platform that supports aggressive riding styles without compromising on responsiveness.

Featuring a 3-bolt direct mount interface, the SRAM S100 crank arms perfectly accommodate SRAM Eagle X-SYNC 2 chainrings, ensuring seamless integration within the Eagle ecosystem. This compatibility allows riders to customize their setup easily, selecting chainring sizes that best suit their riding preferences and terrain demands. Additionally, the availability of multiple crank arm lengths—from 155 mm to 175 mm—enables cyclists to find an optimal fit that enhances pedaling efficiency and comfort.

Engineered for use with PowerSpline bottom brackets, this crank assembly maintains smooth power transfer and long-lasting performance. Whether upgrading your current components or building a new mountain bike, the S100 crank arm assembly strikes an excellent balance between strength, weight, and adaptability, making it a dependable choice for riders seeking precision and durability in their drivetrain components.

What It’s Good For

• Providing a durable and stiff platform for mountain biking through high-quality aluminium crank arms
• Enabling easy customization with a 3-bolt direct mount interface compatible with SRAM Eagle X-SYNC 2 chainrings
• Offering a range of crank arm lengths to accommodate various rider sizes and preferences for enhanced fit and comfort
• Delivering smooth and efficient power transfer when paired with PowerSpline bottom brackets
• Integrating seamlessly into the SRAM Eagle drivetrain system for reliable, consistent performance

What It’s NOT Good For

• Use with non-SRAM Eagle drivetrain components or chainrings incompatible with the X-SYNC 2 mounting system
• Applications requiring crank arms outside the available length range of 155 mm to 175 mm
• Riding styles that demand ultra-lightweight carbon cranksets instead of aluminium construction
• Compatibility with bottom brackets other than PowerSpline technology
• Casual or urban cycling where advanced drivetrain customization is unnecessary

Frequently Asked Questions

Is the SRAM S100 crank arm assembly compatible with all SRAM Eagle chainrings?
The SRAM S100 crank arms are designed specifically for use with SRAM Eagle X-SYNC 2 chainrings featuring a 3-bolt direct mount interface, ensuring optimal fit and performance within the Eagle ecosystem.

What crank arm lengths are available for this assembly?
The assembly comes in multiple crank arm lengths, including 155 mm, 160 mm, 165 mm, 170 mm, and 175 mm, allowing riders to choose the best fit for their riding style and body size.

Can I use this crank assembly with other bottom bracket types?
This crank assembly is designed for PowerSpline bottom brackets and may not be compatible with other bottom bracket standards.

Is the aluminium construction durable enough for aggressive mountain biking?
Yes, the aluminium crank arms provide excellent durability and stiffness, making them suitable for demanding off-road conditions and aggressive riding.

Where can I find compatible chainrings and additional SRAM components?
Explore the full range of SRAM components and SRAM Eagle series products to build or upgrade your drivetrain system with compatible parts and accessories.