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  • Quarq Dzero DUB XX1 Power Meter Spider
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QuarqDzero DUB XX1 Power Meter Spider
$599.00

Item # QRQ802K

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Item # QRQ802K
Description

Dzero DUB XX1 Power Meter Spider

Quarq's DZero platform has proven to be one of the most accurate and reliable power meters on the market, with its ability to measure right and left side power within +/- 1.5% accuracy. Recently, Quarq decided to upgrade the power meter chassis by integrating SRAM's DUB technology into the crank arms. The result is a stronger, stiffer, and lighter crankset that more efficiently transfers the effort from your legs into forward momentum on your mountain bike. To take advantage of the complete setup, you need this Dzero DUB XX1 Power Meter Spider, as well as a set of the new DZero DUB XX1 crank arms. Once you have these two components, all you need is a SRAM X-Sync 2 chainring and you're ready to hit the trails.

Along with these hardware changes comes a new firmware that employs MagicZero auto-calibration technology. With MagicZero, the system automatically calibrates itself as you ride. You no longer need to backpedal to zero the power meter, and you no longer need to manually calibrate your head unit either. We see this as a welcome relief, as it simplifies the power meter's operation, allowing riders to shift more of their focus to riding and training. Additionally, all power meter related functions have been shifted to the SRAM AXS app. Not only does this give you full control of all AXS components on your bike, but it allows you to set the power meter's zero offset, check battery levels, run diagnostics, and perform firmware updates. The previous software used for this function, Qalvin BLE, has been discontinued.

The DZero DUB Power Meter Spider uses a 4-bolt chainring pattern that pairs with SRAM X-Sync 2 chainrings. It's designed to fit 11- and 12-speed SRAM mountain bike drivetrains. And like we mentioned above, it must be paired with the Quarq DZero DUB crank arm assembly. The assembly is sold separately, and comes with a set of carbon cranks arms in multiple length options, as well as the SRAM DUB spindle. You will also need to purchase a DUB bottom bracket that fits the bottom bracket shell of your frame, if you don't already have one. They are available in multiple standards to fit vitually any modern bicycle frame.

  • The most reliable and accurate MTB power meter to date
  • Pairs with the Quarq DZero DUB XX1 crank arm assembly
  • DUB technology results in a stronger, stiffer, and lighter crankset
  • MagicZero technology automatically calibrates the meter as you ride
  • SRAM AXS app allows full system integration and greater ease of use
  • Individually measures right and left side power with +/- 1.5% accuracy
  • 10K compensation eliminates temperature effects on power data
  • IPX7 waterproof rating, 2-year warranty, and free firmware updates mean this power meter is built to last
Tech SpecsSize
Tech Specs
Bolt Circle Diameter
104mm
Bolts
[chainring] 4, [power meter spider] 8
Rings
single
BB Type
SRAM DUB
Spindle
SRAM DUB (28.99mm diameter)
Q Factor
168mm
Chainline
[Boost] 52mm, [non-Boost] 48mm
Compatible Components
Quarq XX1 Eagle DUB AXS Crank Arms, SRAM X-Sync 2 104mm BCD chainrings, SRAM DUB bottom brackets
Recommended Use
mountain biking
Manufacturer Warranty
2 years
Size

Quarq

DZero Power Meter Spiders
 CranksetsChainrings
 Quarq PrimeElsa RS
August, 2014
Riken R
July, 2015
Rike AL
April, 2015
SRAM Red
January, 2016
SRAM XX1
August, 2014
SRAM 10- or
11-Speed
Most 10- or
11-Speed
SRAM 1x
Mountain with
104 BCD
Shimano 11-Speed
DZero
(hidden bolt)

yes

     

yes

  yes      
DZero
(non-hidden bolt)

yes

 

yes

yes

    yes yes    
DFour  

yes

              yes
XX1 Eagle           yes     yes  
XX1 Eagle Boost           yes (168 Q-factor only)     yes  

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