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.

Excellent

Durability

Hangerless mounting significantly reduces impact damage risk on technical gravel trails.

Excellent

Weight Efficiency

Carbon fiber construction keeps the cockpit light without sacrificing structural integrity.

Excellent

Ergonomics

Highly adjustable reach ensures a perfect fit for diverse hand sizes.

Excellent

Drivetrain Range

Thirteen speeds provide ample gearing for steep climbs and fast descents.

Excellent

Installation Simplicity

Wireless connectivity eliminates cable routing headaches for a cleaner, faster build.

Excellent

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

Know before you buy

Still have a question?

Ask Metto anything about the SRAM RED Flattop Chain before you decide.

SRAM RED Flattop Chain

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