Quarq SRAM Red 22 Power Meter Crank Arms GXP

Quarq SRAM Red 22 Power Meter Crank Arms GXP

Though SRAM's presence is somewhat reduced in the pro peloton this year, sister company Quarq's SRAM GXP Red 22 Power Meter Crank Arms with a counter intuitive blend of pro level functionality and self sponsored price continues to enjoy a dominance at local categorized crits and triathlons. The bodies of the arms benefit from all the same Exogram Hollow and GXP bottom bracket technologies that inform the standard Red 22 crankset, but the real draw is, of course, their brain. More accurately, we should write brains, as the Red 22 Power Meter records watts with not one but five strain gauges strategically placed throughout the spider in order to measure the Newton meters you're throwing into the pedals. Its claimed accuracy of 1. 5% means it does so with 0. 5% more accurate than most meters, and since it communicates to your head unit via ANT wireless, your current computer is likely already compatible with it. The crank arms' proprietary Power Balance technology adds another element to these measurements by charting the power you're generating in both crank arms separately, so you can compare the two and identify weaknesses in both legs to target for improvement. And while Power Balance is nice, our favorite feature may be the ability to change the system battery yourself. Other systems require you to mail in your crankset for battery swap outs, but the Red 22 model features a tool free user replacement system as well as a predicted 300 hours of ride time per battery. This means more time in the saddle and no need for backup cranksets. One issue that has plagued power meters since their inception is wildly variable temperatures in geographies where rapidly rising or falling mercury necessitates one or more mid race zeroings. Even if it's just coasting for a few seconds or toggling through your head unit to the proper option, it can still be the difference between winning and losing. It's also obnoxious as hell. The Red 22 Power Meter addresses this...

Price:  $1299.00  from  Backcountry

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