Sram – Red 1x Crankset D1 DUB 48T Aero (BB not included)

Triathlon. Time Trial. Cyclocross. Some disciplines are made for 1x. And while our X-Range 2x set up has integrated much of the simplicity of a 1x system, there are still times when a single ring is best.




Single-ring drivetrain simplifies functionality and reduces weight.

  • 48 and 50t variants feature direct mount aero chainrings for better aerodynamics.
  • Non-aero chainrings can be installed with a single tool, making gearing changes a breeze.
  • SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control.
  • Laser-etched chainring finish is more durable.
  • DUB bottom bracket adds durability and simplicity.
  • Can be upgraded to a power meter.
  • Speeds:12
  • BB Compatibility: All SRAM Road DUB BBs, GXP/PF GXP 68mm.
  • Chainring Size:40, 46, 48, 50.
  • Crank arm length:165mm, 167.5mm, 170mm, 172.5mm, 175mm, 177.5mm.
  • Chainline:45.0mm.
  • BB Spindle Interface:24mm, DUB.
  • Chainring material: Aluminium.
  • Guard: No Guard.
  • Bolt Circle Diameter (BCD):107 BCD, Direct Mount (DM).
  • Crank arm material: Carbon.
  • Colour (Crank arm): Natural carbon.

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