Sram Dfour AXS Powermeter Spider Bcd 110mm 11S - Black

SRAM Quarq Power Meter DFour DUB AXS Spider

QUARQ performance measurement specialists have made their DZero and DFour powermeters fit for the universal SRAM DUB crankset.
Their light aluminum crankshafts with a diameter of 28.99 millimeters are compatible with the corresponding DUB bottom bracket for all common road bike bottom bracket standards.
The latest generation of Quarq power meters can be easily changed between several bikes.

But not only the crank system has changed, also the Quarq Spider has been equipped with new features.
Thus, the latest generation is compatible with the SRAM AXS App, with which firmware updates and other settings can be made.
The new MagicZero function ensures optimum calibration of the power meter at all times and manual calibration is superfluous.
OmniCal and 10K Active Temperature Compensation ensure consistent readings even with chainring changes and changing temperatures.

The Quarq DFour DUB Powermeter Spider is designed to fit Shimano Dura Ace 9100 chainrings.
Thus, the DFour Powermeter blends optically into racing bikes with the Dura Ace 9100 Group.

NOTE: The Spider is only suitable for QUARQ DUB and SRAM DUB Powermeter cranks with 8-bolt Spider mount !

features:
- MagicZero - automatic check and recalibration of the power meter
- AXS App - for firmware updates and settings
- 10K Active Temperature Compensation - automatic temperature compensation with 10000 programmed data alignment points
- wireless data transmission via Bluetooth Low Energy or ANT +
- OmniCal chainring replacement does not require recalibration and will not affect measurement accuracy
- Cadence measurement via acceleration sensors (no additional magnet required!)
- waterproof construction according to IPX7 standard
- LED power indicator always informs about battery level
- 200 hours of operation (tool-less battery change according to CR2032 standard)
- Power Balance - calculates the power distribution between left and right leg
- +/- 1.5% measurement accuracy


Technical specifications:

Material Spider: aluminum
bolt circle diameter : 110 mm asymmetrical | 4 hole
Compatibility Crank: QUARQ DUB and SRAM DUB Powermeter cranks with 8-bolt Spider mount
Compatibility chainrings: Shimano 11-speed Dura Ace 9100, Ultegra R8000, 105 R7000
Technology: SRAM AXS, Quarq Power Meter
Data transmission: ANT + and Bluetooth
Battery life: up to 200 hours
Chainrings: without
Color: Black