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Origin Carbon Dura-Ace 9000 Power Meter Crankset
SRM was among the first, and still concerned the gold standard when it comes to measuring wattage on the bike. Its Origin Carbon Dura-Ace 9000 Power Meter Crankset provides you the ability to maximize your training and racing efforts by measure important ride metrics with world-class accuracy and reliability, all in a lightweight, stiff, and adjustable package. Proven in World Tour races under the likes of Team Lotto-Soudal and Bahrain-Merida, this crankset provides the durability to withstand day in and day out training in the rain and the receiving end of a mechanic's pressure-washing wand, in a no-compromise chassis that's suited for racing. With an extremely impressive +/- 1% accuracy, if your bike is sporting a Shimano 11-speed drivetrain and you want to preserve the smooth shifting and stiffness afforded by genuine Shimano chainrings, there aren't many out there better than this.
SRM names this powermeter the Origin because, well, SRM produced the original powermeter going way back to 1987. Over the years we've seen it as the centerpiece of Campagnolo, SRAM, Rotor, and Shimano cranks, providing the necessary electronics and strain gauges to monitor output and the Origin represents the first cranks built from the ground up to SRM's specifications. This all-new modular concept offers impressive compatibility with its direct mount spider and exchangeable spindles allowing the cranks to fit road, TT, tri, cross and track bikes. We are offering it in a 30mm spindles to accommodate almost every frame and bottom bracket on the market.
It still relies on the tried-and-proven strain gauges for measuring data. The strain gauges for the powermeter are a system of sensors that detect any resistance and by calculating the velocity of the arms, converts it into watts. Those numbers, specifically cadence between 30 and 255 rpm, and wattage between 0 and 4200 watts are sent to your head unit of choice for analysis.
The Germans at SRM co-developed the carbon crank arms with the French composite experts at Look. This affords an extremely lightweight build of 120 grams for the arms and an impressive 742-gram total weight with spindle and Shimano Dura-Ace 9000 rings. Also unique is Look's Trilobe pedal insert allows for one crankarm length to adjust for 170, 172.5, and 175mm lengths. The spider accommodates the included 4-bolt Shimano 11-speed road rings or any other chainring that utilizes the same asymmetric 110BCD pattern.
The powermeter operates wirelessly with ANT+ Sport computers including its PowerControl 7, PowerControl VI, or any other ANT+ compatible device. The battery is rechargeable and SRM claims a 1900-hour run time.
- Get riding metrics from the company that started it all
- Strain gauges measure wattage to an impressive +/- 1% accuracy
- Spider based measuring is the pro's choice
- Accelerators read cadence up to 255 RPM
- Unique Trilobe arms adjust for 170, 172.5, and 175mm lengths
- Rechargeable battery with a magnetic attachment port
- Carbon construction is lightweight and stiff
- Shimano 9000 rings preserve stiff and smooth Dura-Ace shifting
- Item #SEM000Q
- Arm Material
- Arm Length
- (adjustable) 170, 172.5, 175mm
- Chainring Sizes
- Bolt Circle Diameter
- 110m asym
- Q Factor
- (adjustable) 145 - 153mm
- Compatible Components
- Shimano 11-speed road
- Claimed Weight
- Recommended Use
- road cycling
- Manufacturer Warranty
- 3 years
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