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Dream it. Ride it.

Eagle S-Series. The best of the Eagle ecosystem, simplified.

With a decade of success under its wings, Eagle has defined wide-range MTB drivetrain performance. That legacy continues with Eagle S‑Series, a streamlined and refined collection that brings together the best of Eagle drivetrain to make upgrading or refreshing your ride simpler than ever. Eagle has had the privilege of helping riders across the spectrum, from beginner to World Champion, and with Eagle S‑Series we continue that tradition.

BROWSE THE COLLECTION

The freedom to mix, The freedom to match

Eagle S-Series evolves legacy Eagle and Eagle AXS into three levels: S100, S200, and S500—creating a simplified, compatible drivetrain ecosystem.

S 500 Eagle AXS

S500 EAGLE AXS

Built with premium materials and exclusive finishes, S500 brings the power of AXS to all riders. As the flagship of the Eagle S‑Series, S500 is ready for MTB, E‑MTB, or gravel. It pairs seamlessly with every AXS controller, including drop‑bar shifters, making it a versatile, high‑end upgrade for riders who demand lasting performance.

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S200 Eagle Drivetrain

S200 EAGLE

For riders looking for high-performance mechanical shifting, competitive weights, and robust durability, S200 is the rider’s choice. S200 is a mix of mechanical Eagle’s best components distilled into a collection that will elevate any bike it adorns.

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S100 Eagle Drivetrain

S100 EAGLE

Your entry point into durable, reliable wide-range shifting. Featuring components that maximize value and performance, S100 is E-MTB ready and built with a focus on robustness and system integrity, giving you everything you need and nothing you don’t .

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Eagle S‑Series Replacement Matrix

This consolidation makes it easier for you to identify the right replacement or upgrade, whether you’re refreshing your drivetrain, modernizing an older bike, or choosing the performance level that best matches their riding style.

To confidently select the correct option, follow the replacement matrix to quickly see which S‑Series components directly replace existing Eagle drivetrain components.

SRAM Eagle Drivetrain replacement matrix
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AXS POSSIBILITIES

Pair eTap AXS drop bar levers with an Eagle AXS rear derailleur, Eagle chain, 10-52 Eagle cassette, and your choice of either a mountain or road 1x crankset to build the raddest drop bar bike on the block. Business up front and party in back.

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E-MTB READY

With every Eagle S-Series, SRAM delivers the freedom to mix and match for all E-MTB’s. Accurate and purposeful shifting Eagle components are proven to perform in long-term, high-torque E-MTB use, in all conditions.

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UDH HALF MOUNT

Designed for better system performance, UDH Half Mount integrates with the Eagle S100 derailleur to provide extra robustness in the case of side impacts, knocks and slams. Even the smallest tweak to a derailleur hanger can cause poor shift performance, accelerated wear, and lead to unexpected failure. UDH Half Mount delivers a straightforward durability gain over legacy derailleur hangers.

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RANGE

The range that made Eagle iconic. From fast flats to steep climbs, Eagle’s wide‑range 1x gearing changed how riders approach the trail. Eagle S‑Series carries that same proven range, delivering the versatility riders have trusted for a decade.

DURABLE

Proven on trails worldwide. Eagle earned its reputation by lasting where it matters most. Eagle S‑Series features components built upon that legacy, to withstand real‑world riding, season after season, in all conditions.

QUIET

Quiet performance has long been a hallmark of Eagle. Eagle S‑Series continues to deliver smooth, consistent shifting and dependable chain control so you can enjoy more of the ride.

LIGHT

No compromises. No excess. Eagle S‑Series delivers carefully engineered weight savings that enhance control and responsiveness, without giving up the strength necessary for aggressive, all‑day riding.

SIMPLE

The original promise of wide-range 1x. Eagle removed complexity when it mattered most. With fewer parts, intuitive shifting, and straightforward setup, Eagle S‑Series keeps drivetrains simple so riders can focus on the ride, not the mechanics.

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EAGLE TRANSMISSION


If your bike has a UDH, it’s ready for Eagle Transmission.

Built around the universal constant of the wheel axle itself, Eagle Transmission delivers a radically robust, fully integrated drivetrain that mounts directly to the frame. With no derailleur hanger or adjustment screws, Full Mount design increases strength, improves alignment, and lets you shift flawlessly under maximum power. Available in both wireless and mechanical, Eagle Transmission simplifies, strengthens and extends lifespan to new limits. It’s the dream made real.

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