The time has come for you to stop guessing your energy output, and start coming in with cold, hard numbers to provide the data you need to improve. Quarq's DUB Crank Arms enable you to make the switch from not-so-smart cranks to all of the data you could ask for, with a clean carbon layup that's...

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If you're looking to add a power meter to your mountain bike, pick up a set of these crank arms along with a Quarq DZero DUB XX1 spider and you'll have one of the most reliable and accurate units on the market. They share the same lightweight and stiff construction as SRAM's renowned XX1 DUB SL...

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The more data, the better, and with the Rotor 2INpower SL Dual Sided 2x Power Meter Crankset, we can get accurately measured power from each leg individually. Designed for demanding cyclists, the 48/31t chainrings feature an aerodynamic design that optimizes airflow, while the optimized sprocket...

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The 2INpower SL will allow you to get accurate power data from each leg independently, to comprehensively analyze all your data. Use data like torque effectiveness, pedal smoothness, balance, TORQUE 360, OCA and OCP to have a precise biomechanical control of your pedaling. ROTOR chainrings,...

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We trust only the best to provide accurate information regarding data, so we recommend adding the ROTOR 2INpower SL Dual Sided Road 2x Power Meter Crankset to your road setup. With 2INpower SL dual measurement technology, the right and left legs are measured independently to provide us with data...

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The R-Raptor checks all the standard boxes for an all-mountain/enduro crank. Like ROTORs REX cranks, the RRaptor is a work of engineering built on the principles of lightweight and rigid, but RRaptors modular concept offers compatibility that meets and even exceeds current trends in mountain bike...

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Professional cyclists demand accuracy in power measurement readings that only premium products can provide, and we're pleased to see Shimano's Dura-Ace FC-R9200-P Power Meter Crank Arms in that category. Data-driven cyclists can rest easy knowing the reliability of readings provided by the power...

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When we're finding ourselves lagging behind the competition the next logical step is the Shimano Ultegra FC-R8100-P Power Meter Crank Arms for targeted training. This crank arm reads power and cadence accurately to help step up our training so we can get to the top step of the podium.

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The SRAM Apex DUB Left Crank Arm and Power Meter is a DUB-PWR spindle-based left-side power meter that provides accurate wattage to help our road cycling performance. This 12-speed crank delivers +/- 1. 5% proven Quarq accuracy, a superior battery life of over 400 hours, and an IPX7 waterproof...

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Stages keeps up with the latest so you can get the power data you want and need without having to compromise your Campagnolo Super Record 12speed group to a third party crank. Stages builds their Gen 3 power meter into a Super Record 12 left-side crank arm for seamless swapping from a stock to...

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