Red E1 AXS Rear Derailleur
Best electronic derailleur for competitive road cyclists seeking precision and versatility.
Elevate your ride with the SRAM Red E1 AXS Rear Derailleur, the pinnacle of electronic shifting for discerning road cyclists. Experience unparalleled precision and lightning-fast speed, seamlessly integrated with the Red eTap AXS groupset. Engineered for robust performance, it handles the rigors of competitive cycling and challenging ascents with ease. Its compatibility with cassettes up to 36 teeth offers the versatile gearing range needed for varied and demanding terrain, ensuring every shift is crisp, fast, and utterly dependable when performance truly matters.
$770.00
Owner Satisfaction
4.7
/ 5
Category Rank
68
/ 2100
#68 in Components
Price vs Category Average
+648%
Above average
Type
Rear Derailleur
/ Rear Derailleur
Who it's for
- Competitive racers needing instantaneous gear changes under load
- Weight-conscious cyclists building an ultra-light performance machine
- Gravel riders seeking quiet, reliable performance on rough terrain
Who should skip it
- Budget-focused cyclists prioritizing value over flagship performance
- Long-distance riders preferring the simplicity of mechanical systems
- Cyclists wanting flexibility with existing drivetrain components
Performance breakdown
Shifting Precision
Electronic actuation delivers flawless gear changes under any load.
Gearing Versatility
Wide 36t capacity handles steep climbs and fast descents with ease.
Setup Simplicity
Wireless connectivity eliminates cable clutter for a clean, intuitive installation.
Build Durability
Rugged construction withstands the harsh realities of competitive road racing.
Shift Speed
Lightning-fast response times ensure you never miss a critical gear.
System Integration
Seamlessly syncs with the wider AXS ecosystem for total control.
Key Specs
Type
Rear Derailleur
Max Cassette Compatibility
36t
Technology
AXS Electronic Shifting
Model Number
00.7518.184.000
Target Gender
Unisex
Features
- Seamless electronic AXS shifting
- Optimized for high-performance road cycling
- Unparalleled shifting precision
- Robust construction for demanding use
- Intuitive wireless setup
- Reliable performance across terrains
- Max 36t cassette compatibility
What customers say
Riders overwhelmingly praise the SRAM Red eTap AXS Rear Derailleur for its incredibly precise and lightning fast shifting, often calling the operation flawless and effortless. The wireless AXS technology is a key feature, valued for its clean look, simple setup, and intuitive use. Users appreciate the customization options available through the app, tailoring the shifting logic to their needs. This component significantly elevates the riding experience, offering superior control, especially under stress. While the price is premium, the consensus is that the exceptional performance, reliability, and advanced engineering fully justify the cost. The robust build quality and lightweight design further solidify its reputation as a top-tier upgrade for serious cyclists.
Know before you buy
Yes, the Red E1 AXS rear derailleur is fully compatible with the broader SRAM AXS ecosystem, allowing you to integrate it seamlessly into your current 12-speed electronic groupset.
This derailleur is engineered to handle a maximum cassette size of 36 teeth, providing you with a versatile gear range for steep climbs and varied terrain.
No, the Red E1 AXS utilizes SRAM’s wireless AXS technology, which eliminates the need for physical cables between the shifters and the derailleur for a cleaner, easier installation.
While optimized for high-performance road cycling, its robust construction and 36t capacity make it a reliable choice for mixed-surface riding and demanding gravel routes.
The setup remains intuitive through the SRAM AXS app, which handles pairing and firmware updates wirelessly. The physical installation follows standard derailleur mounting procedures, making it straightforward for those familiar with electronic shifting.
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