alt=‘SRAM Eagle Transmission 70 and 90 vs Shimano SLX, XT, XTR full drivetrain components side-by-side’
If you’re shopping for a new mechanical drivetrain in 2024, you’ve likely come across the new SRAM Eagle 70 and Eagle 90. These newly released groupsets bring modern mechanical shifting to a more accessible price point—fitting in just between SRAM’s GX and SX lines. But how do they compare to Shimano’s popular SLX, XT, and premium XTR drivetrains?
In this post, we break down the major contenders— SRAM SX, GX, X01, Eagle 70, Eagle 90, and Shimano SLX, XT, XTR—by weight, MSRP, and overall value.
Drivetrain Comparison Table: Weight and MSRP
GroupsetWeight (g)MSRP (USD)SRAM SX Eagle2049$404SRAM Eagle 702290$490SRAM GX Eagle1727$587SRAM Eagle 902085$670Shimano SLX M71001857$396Shimano XT M81001743$621SRAM X01 Eagle1479$1166Shimano XTR M91001477$1460
Weights are approximate and may vary slightly based on specific configurations. Prices are based on MSRP and may vary depending on retailer.
Visual Comparison: MSRP vs Weight Graph
To help visualize where each drivetrain lands in terms of value, here’s a graph comparing MSRP to total weight.
alt=‘Price comparison chart of SRAM Eagle and Shimano groupsets as of March 2025’
SRAM’s SX and Eagle 70 appear on the heavier and more budget-friendly end of the chart, while SRAM X01 Eagle and Shimano XTR represent the lightest and most premium mechanical drivetrains currently available.
Key Takeaways
Best Value Drivetrain
The Shimano SLX M7100 is the standout for riders who want modern 12-speed shifting, solid weight savings, and reliable performance—all at a relatively low cost.
New Budget Options from SRAM
The SRAM Eagle 70 and Eagle 90 are strong new entries in the mechanical drivetrain space.
- Eagle 70 is slightly heavier than SX but brings updated tech and improved shifting for a modest price increase.
- Eagle 90 lands closer to GX in performance and weight, making it an attractive mid-tier choice for trail and XC builds.
Premium Performance
For those focused on lightweight builds or high-performance riding:
- SRAM X01 Eagle offers a refined feel with a more aggressive gear range and lower weight than GX or Eagle 90.
- Shimano XTR M9100 is the lightest option, but also the most expensive, making it best suited for serious racers or riders chasing every performance edge.
Where to Buy SRAM and Shimano Drivetrains
Looking to upgrade or build a new rig? These components are currently available on Amazon:
- SRAM Eagle 70
- SRAM EAGLE 70 Rear Derailleur: https://amzn.to/4laTcNJ
- SRAM EAGLE 70 Crankset: https://amzn.to/4l6jZuy
- SRAM EAGLE 70 Shifter: https://amzn.to/42mtNcu
- SRAM EAGLE 70 Chain: https://amzn.to/3DZLw04
- SRAM Eagle 90
- SRAM EAGLE 90 Crankset: https://amzn.to/4l9UloS
- SRAM EAGLE 90 Shifter: https://amzn.to/4iNt9Ld
- SRAM EAGLE 90 Rear Derailleur: https://amzn.to/4hQ8hS0
Prices and availability are subject to change. Check listings for the latest deals and compatibility info.
Final Thoughts
The new SRAM Eagle 70 and 90 drivetrains are a welcome addition to the mechanical market, offering modern features and improved shifting at more affordable price points. Whether you’re a beginner building your first trail bike or an experienced rider looking for cost-effective upgrades, there’s now a broader range of drivetrain options to suit your goals and budget.
Have questions about compatibility, performance, or installation? Leave a comment or reach out through our contact page