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Compact (110 BCD) - 172.5mm
Compact (110 BCD) - 172.5mm
Compact (110 BCD) - 172.5mm
Standard (130 BCD) - 172.5mm

Quarq
Elsa R GXP Powermeter Crankarms

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The Quarq Elsa R delivers wireless power data from a lightweight, carbon Exogram™ crankset. The integrated Quarq unit provides readings accurate to ±1.5% regardless of temperature and features a simple CR2032 battery with up 300 hours of ride time. Power Balance™ technology captures left and right strokes, and OmniCal™ makes it possible to run most 10 / 11 speed chainrings without effecting data accuracy. ANT+™ transmission ensures easy compatibility with leading display units like the Garmin Edge® computers. SRAM's Exogram™ crank construction features a large, hollow carbon cross section that extends all the way to the CNC-machined alloy spider. The result is incredibly light yet uncompromisingly rigid to maximize efficiency.

The Quarq ELSA R GXP Powermeter Crankset is available in Standard 130 BCD and Compact 110 BCD spider configurations. For use with English or Italian threaded bottom-bracket frames only. Compatible with SRAM GXP Cups. Does not include BB cups, chainrings, head unit, or training software. Various arm lengths. 145mm "Q-Factor." 576 g claimed weight (172.5 mm, 130 BCD).