Power every ride.

They’ve taken the reliability, elegance and features of Quarq’s legendary crank-based power meter and dropped the barrier to entry once again. This new power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever.

Technologies

AXS - AXS is SRAM’s new bike component integration system 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.

DUB - The relationship between bottom bracket spindle and bearing is the core of DUB technology. It’s where stiffness meets durability. They 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. 

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.

DUB-PWR

Features

An elegant integrated design
DUB-PWR spindle-based unit measures left side power to calculate total watts
Proven Quarq reliability and accuracy
Long battery life (400+ hours) to power a season of rides
User replaceable lithium AAA battery
DUB bottom bracket adds durability and simplicity
Waterproof (IPX7 waterproof to 1 meter for 30 minutes)
Lightweight (less than 40g heavier than standard crankset)
Wide chainline crankset for bikes with up to 700x45c or 27.5x2.1” tyre widths (43/30T chainrings only)

Specifications

Crank Arm Length 160mm, 165mm, 170mm, 172.5mm, 175mm
BB Spindle Interface DUB
BB Compatibility All SRAM Road WIDE DUB BBs
Speeds 12
Chainring Material Aluminum
Bolt Circle Diameter (BCD) 94 BCD
Chainline 47.5mm
Chainring Size 43/30T
Hub Spacing Compatibility N/A, Standard 142mm

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