SRAM Red DUB 曲柄组 2x12

The SRAM RED® crankset leverages a pivotal design innovation: smaller chainrings and a wider cassette range. This leads to smoother and faster shifting up front and more useful gearing for today’s riders. The new configurations improve cadence and efficiency while also delivering shifts that are crisp, clean and quick—every time.

• X-Range™ gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear
• Improved front shifting performance for crisp and accurate front shifts
• Unique chainring design results in a lighter weight, stiffer, more durable crankset
• DUB™ bottom bracket adds durability, simplicity and broad compatibility
• Can be upgraded to a power meter

DUB™
The relationship between bottom bracket spindle and bearing is the core of DUB™ technology. It’s where stiffness meets durability. We took it a step beyond conventional thinking and made everything simpler—better integrating the relationship between chainring, crank, spindle, and bottom bracket. It’s this approach to developing a complete system that equals better drivetrain performance.

Carbon Tuned™
Strength and stiffness where you need it, lightweight like you want it. 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.

X-Range™
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, as well as smarter shift settings—enabled by AXS™. With X-Range™, you’re always in the right gear.

• 1 x SRAM Red D1 DUB crank set (see item description for details)
• including chainrings