Bolt Circle Diameter 110 BCD, 130 BCD Compatibility Works with 130 BCD and 110 BCD chainrings, both 10- and 11-speed, from SRAM, Shimano® (10-speed only), Rotor, FSA, Praxis, WickWerks and others. Material CNC Machined Aluminum Spider Accuracy 1.5% Wirele
The Quarq for Specialized Power Meter Spider replaces the factory spider on Specialized’s S-Works Carbon Crankset. It features Power Balance, OmniCal, compatibility with a wide range of chainrings and a track record filled with UCI WorldTour wins and World Championships. Ease-of-use takes center stage with the prominent ANT+ ID, LED indicator and the easy-to-replace CR2032 battery. You also get AxCad accelerometer cadence, an IPX7 waterproof rating, a 2-year warranty, diagnostics with the Qalvin Legacy app and worldwide support.
ANT+ wireless technology.
Power measurement in the crankset spider — the heart of your bicycle, its sole job is to convert the effort from both legs to forward motion.
10K temperature compensation eliminates temperature effects on power measurement.
AxCad accelerometer cadence removes the need for a magnet.
The LED and visible ANT+ ID streamline installation and operation.
CR2032 battery – 300 hours of riding time.
+/- 1.5% accuracy
Diagnostics with the Qalvin Legacy app.
Bolt Circle Diameter: 110 BCD, 130 BCD
Compatibility: Works with 130 BCD and 110 BCD chainrings, both 10- and 11-speed, from SRAM, Shimano (10-speed only), Rotor, FSA, Praxis, WickWerks and others.
Material: CNC Machined Aluminum Spider
Battery: CR2032, 200 hours of riding time
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