SRAM Red eTap AXS groupset DUB with Quarq/powermeter 2/12-speed road disc Postmount

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  • Road riders are going beyond where we’ve ever gone before. We’re going further and faster. And when the road stops, we keep going. One thing hasn’t changed: We want to push those boundaries without any distractions. So we made eTap AXS for today’s riders. The result: an intuitive, high-performance groupset that means you can focus on what’s most important—your ride. Exploring new limits has never been easier. SRAM RED eTap AXS—Simply Beyond.

    Weights:
    • DUB bottom bracket (PF30): ~88g
    • RED 175mm crankset with 48/35 chainrings and power meter: ~572g
    • RED 10-28 cassette: ~181g
    • RED rear derailleur: ~303g
    • RED front derailleur: ~170g
    • RED chain 114 links: ~249g
    • RED hydro Disc levers (pair): ~736g
    • RED HRD brakes (pair): ~480g
    • RED X-Road Centerlock rotors 160mm: ~62g
    • Total: ~2841g




    Technologies:
    XDR
    The XDR driver body is a universal mounting system for cassettes that incorporate cogs with fewer than 11 teeth. It allows for lighter and more versatile drivetrains without requiring new rear axle standards, cassette tools or hub redesigns. The XDR interface is 1.85mm longer than XD and is designed for road hub applications. XDR driver bodies are compatible with all XD cassettes when the cassette is installed with a 1.85mm spacer.

    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. We 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.

    X-SYNC
    SRAM X-SYNC 1x chainrings provide the highest level of performance and durability. The SRAM X-SYNC tall square teeth edges engage the chain earlier than traditional triangle 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-clearing 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.

    AXS
    AXS is SRAM’s new electronic integration platform that connects electronic bicycle components and software. The SRAM AXS App allows riders to see battery status, change component behavior, personalize controls, get maintenance reminders, and update firmware.

    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.

    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.

    DZero
    Quarq’s next-generation DZero power meter platform is named for the D0 Experiment, one of science’s most accurate and innovative projects to detect subatomic particles moving at the speed of light.

    With a new measurement circuit, a revised strain gauge design, improved accuracy throughout the pedal stroke, and software advances, DZero represents the state of the art in power meter technology.

    Flattop
    To enable X-Range gearing technology, we developed 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.

    FLOW LINK
    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 quieter performance and better wear life. The design allows a narrower 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.

    Orbit
    Orbit technology is an innovative new form of derailleur motion control. It utilizes silicon fluid as part of an elegant and ultra-lightweight damper system. Compared to a standard friction clutch system, Orbit technology places no additional resistance on the rear derailleur’s spring when under slow or light movement. This means easier shifting and rear wheel removal.
    And while riding, the fluid damper reduces chain bounce. It’s rock-solid reliability for both 1x and 2x systems.

    PowerLock
    SRAM chain engineers developed PowerLock as a tool free, sure, and consistent way to connect our chains. While PowerLock does not require special tools for install, the especially tight tolerances of 10-, 11- and 12-speed drivetrains mandate that each PowerLock is good for a one-time application only.
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