SRAM RED Flattop Chain
Best high performance drivetrain component for serious road cyclists.
This electronic rear derailleur offers precise 13-speed shifting for 1x setups, supporting up to a 46t cog. Its hangerless, UDH-compatible design simplifies installation and improves robustness. Ideal for gravel and road riders seeking a clean, high-performance drivetrain solution.
$35.00
at
AMG Cyclery
More Red options
Who it's for
- Cyclists seeking long-lasting, reliable drivetrain components.
- Riders prioritizing flawless and responsive gear transitions.
- Enthusiasts desiring a silent and refined cycling experience.
Who should skip it
- Riders with non-SRAM 12-speed or older drivetrain setups.
- Budget-conscious cyclists or those building an entry-level bike.
- Home mechanics without the correct Flattop chain tool.
Performance breakdown
Shifting Precision
Wireless electronic actuation delivers near-instantaneous gear changes under load.
Durability
Hangerless mounting significantly reduces impact damage risk on technical gravel trails.
Weight Efficiency
Carbon fiber construction keeps the cockpit light without sacrificing structural integrity.
Ergonomics
Highly adjustable reach ensures a perfect fit for diverse hand sizes.
Drivetrain Range
Thirteen speeds provide ample gearing for steep climbs and fast descents.
Installation Simplicity
Wireless connectivity eliminates cable routing headaches for a cleaner, faster build.
Key Specs
Crank Arm Length
160 mm
Intended Use
Gravel
Drivetrain Speed Compatibility
12-speed, 13-speed
Bottom Bracket Interface
DUB
Material
Aluminum
Bolt Circle Diameter
107 mm
Chainring Mount Type
8-bolt direct mount
Number of Chainrings
1
Spindle Diameter
28.99 mm
Boost Compatible
Yes
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