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SRAM
Force D1 DUB 12-Speed 1x Crankset

Mfg PartNum:
4200
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SRAM helped pioneer the 1x drivetrain, and the SRAM Force® 1 crankset evolves the innovation. It's lighter, stronger and simpler—non-aero chainrings can now be installed with a single tool. For cross, TT, tri and crits, this is the king of 1x. Proprietary SRAM carbon lay-up design increases thickness and stiffness at critical stress areas. Tapered, terraced, carbon architecture ensures the greatest weight savings without compromising strength.

SRAM's new DUB™ technology is all about the relationship between bottom bracket spindle and bearing. It's where stiffness meets durability. SRAM took it a step beyond conventional thinking and made everything simpler - better integrating the relationship between chainring, crank, spindle, and bottom bracket.

SRAM X-SYNC™ 1x chainrings provice the highest level of performance and durability. The SRAM X-SYNC™ tall square teeth edges engage the chain earlier than traditional trangle shaped teeth. The sharp and narrow tooth profile, as well as rounded chamfer edges, help manage a deflected chain. To provide the best possible performance in muddy conditions, the X-SYNC™ chainrings have been designed with mud-cleaering recesses for the inner chain links and rollers. Engineered in Germany, X-SYNC™ rings are an integral part of the SRAM 1x™ drivetrain. Accept no imitation.

Road bikes are faster and more capable than ever before, and riders are expanding what's possible with drop bar bikes. X-Range™ is gearing for today's road riding. SRAM completely reimagined road gearing for wider range, more useful and smoother gear progression. With X-Range, you're always in the right gear. To enable X-Range™ gearing technology, SRAM needed to develop a narrower chain. The unique link shape of Flattop™ technology not only allowed for a wider gear range, but also results in quieter drivetrain operation and increased chain strength and durability. Ultra-smooth chain inner-plates are completely devoid of square edges, resulting in a chain that engages the cassette and chainring with far less friction, for a quieter performance and better wear life. The design allows a narrow overall profile that can withstand greater angles, and also allows for a flatter outer-plate, which means more consistent chain riveting and enhanced overall strength.



Features & Specs:

  • Single-ring drivetrain simplifies functionality and reduces weight
  • 48t variant has 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
  • DUB™ bottom bracket adds durability and simplicity
  • Can be upgraded with a power meter

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