The RED D1 crankset pairs SRAM’s carbon road crank arms with 50/37T direct-mount aluminium chainrings for 12-speed 2x drivetrains. This version has 175mm arms in natural carbon on a DUB spindle.

Highlights

  • 175mm carbon crank arms, natural carbon finish
  • 50/37T aluminium chainrings, 13-tooth jump
  • 8-bolt direct-mount chainring interface
  • DUB spindle; fits all SRAM road DUB bottom brackets
  • 45mm chainline, 12-speed Flattop chain

Gearing

The 50/37T pairing with a 13-tooth jump is designed around SRAM’s X-Range road gearing and its 10-tooth-start 12-speed cassettes.

Carbon arms, DUB spindle

The carbon arms keep weight low and stiffness high, and the DUB spindle works with every SRAM road DUB bottom bracket, so you can choose the one that matches your frame’s shell.

Compatibility and fit

For 12-speed SRAM 2x road drivetrains with a Road Flattop (D1/E1) chain and a compatible front derailleur. It needs a SRAM road DUB bottom bracket to suit your frame. Fitting needs the correct tools and torque specs, or book it in with a workshop.

This SRAM component is covered by SRAM’s warranty against defects in materials and workmanship; terms are set by SRAM. Wear and service items (chains, cassettes, brake pads, rotors, tape and seals) are normal maintenance parts.

Tune Cycles can supply, fit and set up SRAM components and lodge any warranty assessment on your behalf — book at tunecycles.com.au/book.

  • SRAM RED crankset (FC-RED-D1)
  • 175mm carbon arms, natural carbon
  • 50/37T aluminium chainrings
  • 8-bolt direct mount, 0mm offset
  • DUB spindle
  • 45mm chainline
  • 12-speed 2x, Road Flattop chain
  • No power meter
BrandSRAM
Model/seriesRED D1 (FC-RED-D1)
SRAM part number00.6118.539.002
Speeds12
Drivetrain2x
Crank arm length175mm
Crank arm materialCarbon
ColourNatural carbon
Chainrings50/37T, aluminium
Chainring mount8-bolt direct mount, 0mm offset
SpindleDUB
BB compatibilityAll SRAM road DUB BBs
Chainline45mm
ChainRoad Flattop D1/E1
Power meterNo
SKU PSI-SR006118539002
Brand SRAM

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