Power Meters

Quarq DZero Power Meter Spiders

Quarq DZero in spider form. To pair with Quarq Prime and for upgrades*.

Road: Quarq DZero and DFour - 130 BCD and 110 BCD, hidden, non-hidden and asymmetric bolt patterns.
Mountain: SRAM XX1 Eagle - 104 BCD, Conventional and Boost (Note: Boost spiders should not be paired with 156Q crank arms).

Use Quarq DZero HB (130 BCD or 110 BCD) for bikes equipped with Quarq Prime Power Ready Cranksets and SRAM chainrings.

$679-779 / €679-779 / £583-693

***Order Shipment Delay***
We are currently experiencing high order volume on our new platform power meters. Because of this, new orders will ship during the week of January 30, 2017 (XX1 Eagle Boost week of February 13, 2017). We apologize for any inconvenience this causes and appreciate your support of our products and your patience.

Purchase Options

Locate a Dealer

  1. Select model:

    *bottom bracket not included

  2. Add a Bottom Bracket (Optional)

    Please verify your bike's bottom bracket type before ordering.

  3. Add chainrings (Optional)

    View our product compatibility page for help selecting the best chainring option.

  4. Add a Head Unit (Optional)

    Must be purchased with a power meter. Heart Rate Strap is not included.

  5. Add a QuickView Computer Mount (Optional)

  • Total Price:



Bluetooth low energy technology and ANT+ wireless data transfer.
AxCad - no magnet.
10K Temperature Compensation.
Battery - CR2032, 200-hour battery life, change without tools.
OmniCal - swap chainrings without affecting accuracy.
2-year warranty.
IPX7 waterproof rating.
Accuracy - within 1.5%, measuring both legs.


Quarq’s next generation in power meters, DZero combines 10 years of technology advances with new features such as dual Bluetooth low energy and ANT+ wireless data transfer, the new Qalvin BLE app, and compatibility with Boost 148 (52mm chainline) and BB386EVO bottom brackets.

* See Compatibility under Specifications to find out if your Quarq power meter can be upgraded with a DZero spider.

Product Brochures


Material CNC Machined Aluminum
Accuracy 1.5%
Bolt Circle Diameter 130 BCD, 110 BCD, 110 BCD Asymmetric, 104 BCD
Wireless Technology ANT+, Bluetooth low energy technology
Battery CR2032, 200 hours of riding time
Weight 142g, 122g, 154g, 95g (DZero 130, DZero 110, DFour, XX1)
Head Unit

ANT+™ and Bluetooth® low energy technology compatible head units (available separately)


Power meters that use the 8-bolt interface can be upgraded to a DZero power meter spider.

Power meters and cranksets on 8-bolt since release:
- Quarq ELSA RS (Aug ’14)
- Quarq RIKEN AL (Apr ’15)
- Quarq Prime Power Ready Cranksets (Mar '16)
- SRAM XX1 Power Meter (Aug ’14) (Note: Boost spiders should not be paired with 156Q crank arms)
- SRAM RED BB386EVO standard crankset (Mar '16)

Power meters switched to 8-bolt:
- Quarq RIKEN R (Revision AEQ onward, except warranty/replacement – Jul ’15)
- SRAM RED (eTap graphics – Jan ‘16)

Incompatible products:
- Quarq ELSA R