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The crankset is the heart of your bicycle and where you’ll find the SRAM RED Quarq power meter. The sole job of the crankset is to convert the effort from both legs to forward motion. It is the perfect place to measure power. This power meter works for every discipline: Road, triathlon, time trial, and cyclo-cross. The chainrings are replaceable should your bike, discipline, or ability change.- A direct force power meter that measures total power output from both legs with +/-1.5% accuracy- Works for every discipline: Road, triathlon, time trial, and cyclo-cross- No compromises on materials, shifting, wheels, or pedal choice- Proven by pro teams and athletes throughout the world – Cobbled Classics, Giro d’Italia, Tour de France, Vuelta a España, World Championships- Number 1 at the Ironman World Championship for the last three years- Uses a hidden bolt to mount the chainrings – compatible SRAM chainrings ensure the derailment pin lines up behind the crank arm- 10K – programmed with over 10,000 data points to eliminate temperature effects on power measurement- AxCad – A multi-axis accelerometer switches the power meter on and measures cadence, simplifying installation and operation- Breakthrough Materials – Exogram hollow carbon fiber crank arms – the lightest, strongest crank arms SRAM makes – minimize weight and maximize speed [ELSA RS, ELSA R and SRAM RED]- Easy to use (and reuse) – LED indicator and visible ANT+ ID- The replaceable CR2032 battery never leaves you without power- Manual and automatic zeroing make it truly set and forget- Built to Last – IPX7 waterproof rating, 2-year warranty, free firmware updates, and acclaimed international support- Moves with you from bike to bike- With Quarq's free Qalvin app – available for Windows, Mac, iOS and Android – you can set the zero offset, check battery voltage, run diagnostics, and perform firmware updates for freeArm Material: Carbon arms, Machined alloy spiderWeight: 778 grams (GXP 172.5mm 53x39 BB not included)* Chainrings and BB sold separately

In certain disciplines, the single-ring drivetrain reigns supreme. Championing simplicity, strength and durability, the SRAM RED 1 AXS power meter meets the demands of triathletes, time trialists and cyclocross racers. The power meter features improved aerodynamics thanks to direct mount aero chainrings with fully integrated power, and the tighter gearing range is perfect for racing and flatter terrains.- Single-ring drivetrain simplifies functionality- 48T and 50T variants have fully integrated power into a direct mount aero chainring- 36-46T variants have spider-based power- Chainrings can be easily changed without requiring recalibration of the power meter- Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride- Power balance measures left and right legs separately- SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control- Laser-etched chainring finish is more durable- DUB bottom bracket adds durability and simplicity- Non-aero chainrings can be installed with a single tool, making gearing changes a breeze- Bottom bracket not included- BB Compatibility: All SRAM Road DUB BBs- BB Spindle Interface: DUB- Chainring material: Aluminum- Crank arm material: Carbon- Power Meter Type: ANT+ and BLE

The SRAM RED AXS power meter breaks with tradition — and breaks through to new levels of performance. SRAM reengineered road gearing: reducing front chainring size and adding more range to the rear cassette. They also maintained a 13-tooth delta on all chainring pairs, ensuring precise shifting for any setup. This results in more useful gearing and better shifting across all configurations. These power meters are also designed with Quarq's premier DZero power measurement technology fully integrated into the crankset. Welcome to the pinnacle of the power meter.- X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear- Integrated power measurement- Power meter is fully integrated into the chainring set for lighter weight- Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride- Power balance measures left and right legs separately- Improved front shifting performance for crisp and accurate front shifts- Unique chainring shape results in a lighter weight, stiffer, more durable crankset- Integrated chainring design significantly reduces weight- DUB bottom bracket adds durability, simplicity and broad compatibility- Speeds: 12- BB Compatibility: All SRAM Road DUB BBs- BB Spindle Interface: DUB- Chainring material: Aluminum- Crank arm material: Carbon- Power Meter Type: ANT+ and BLE- Bottom bracket not included

Dual-sensing Pedal-based Power MeterRide stronger, smarter, connected with the Vector 3 pedal-based power meter. As you strive to beat your personal best on your next race or Gran Fondo, power is the most reliable way to gauge your performance on any given day, at any given time. Unlike other power meters, Vector 3 has the sensors housed right in the pedals, so it delivers reliable, accurate data on every training session.- Installs like any other pedal and quickly transfers between bikes- Measures total power, left/right balance, cadence and cycling dynamics- Sleek design provides greater cornering clearance and improved stack height- Fully integrates with Garmin cycling ecosystem for data analysis- Allows for easy updates via compatible Edge cycling computers, ANT+ connectivity or Bluetooth-enabled fitness devices and Garmin Connect Mobile app- Battery life: up to 120 hours- Cleat hardware includedWARNING: The maximum weight limit of the cyclist using the Vector system is 231 lbs (105 kg). Cyclists over this weight limit risk personal injury and property damage.Specifications: - Battery type: LR44/SR44 (x4)- Battery life: up to 120 hours- Weight: 316 g- Max. rider weight: 105 kg- Accuracy: +/- 1.0%- Cleat type: Keo- Q-factor: 53 mm/55 mm with supplied spacing washer- Stack height: 12.2 mm- Field calibration- Adjustable release tension- Garmin Connect- Measurement location: Spindle- Communication: ANT+ and Bluetooth

- AXS enabled for easy monitoring and firmware upgrades- Fully integrated power meter into a direct mount chainring- Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride- Power balance measures left and right legs separately- SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control- Laser-etched chainring finish is more durable- 8-bolt direct mount compatibility only to RED and Force eTap AXS cranks.- Speeds: 12- Chainring material: Aluminum- Power Meter Type: Ant USB

DZero is Quarq's next-generation power meter platform for those who live to be challenged, pushed, and tested in the toughest scenarios imaginable. Now Quarq has introduced a DZero spider designed to replace the factory spider on Specialized's S-Works carbon crankset.Quarq DZero for Specialized embodies 10 years of Quarq advances in power meter technology, plus new features such as dual Bluetooth low energy and ANT+ wireless data transfer, revised circuitry, a new strain gauge design and the Qalvin BLE app. You also get AxCad accelerometer cadence, the easy-to-replace CR2032 battery, an IPX7 waterproof rating and a 2-year warranty.Features & Benefits:- Bluetooth low energy technology and ANT+ wireless data transfer- AxCad – no cadence magnet required- 10K Temperature Compensation- Battery – CR2032, 200-hour battery life, change without tools- Power Balance- OmniCal – swap chainrings without affecting accuracy- 2-year warranty- IPX7 waterproof rating- Accuracy – within 1.5%, measuring both legs- Free firmware upgrades with the Qalvin appEssential Details:- Traditional 5-arm spider compatible with Specialized S-Works Carbon Road Crank Arms from 2013-Current.- Available in 130 BCD and 110 BCD.- Replaces the standard spider.- A Specialized lockring tool is required for installation.

The CINCH Power Meter gives you the tool to train for the Enduro and XC glory you truly deserve. Protected in your BB Shell, the CINCH Power Meter not only gives you the advantage you need to gauge your training and push your boundaries, but it does it with the compatibility and performance you have come to expect from CINCH. Thanks to the adaptable spindle, you can pick your poison from NEXT SL G4 to Turbine R cranks, and with the Race Face CINCH App and both ANT+ and Bluetooth, you can hook it up to your favorite head unit and be on your way to the wattage cottage in no time.- Power Accuracy +/- 2%- Cadence & pedal efficiency data- Dual Bluetooth low energy technology / ANT+ for head unit compatibility- Battery life over 400h & USB rechargeable- Utilizing CINCH for 1x or 2x configurations- Cinch Power Meter App for iPhone or Android- Just 65g more than standard 134mm mountain spindle

The CINCH Power Meter utilizes spindle-based power paired with our highly adaptable EC90 SL Crankset giving you the flexibility to evolve your setup to your needs. Racing 1x for CX? Done, 2x for road? Simple. Changing from 170mm cranks arms to 172.5? You don’t have to buy a new power meter, just move the spindle. Fitting EC90SL to a mountain bike BB shell? Consider the 134mm MTB spindle. With an easily-accessible 400+ hour rechargable battery, The CINCH Power Meter only adds 65g to the EC90 SL’s industry-leading lightweight crankset, providing you cadence readings and calculated pedal efficiency in a clean and protected spindle. And with the CINCH App, you can check battery levels, install updates and calibrate your power meter on the fly.

Single-sensing Pedal-based Power MeterRide stronger, smarter, connected with the Vector 3S pedal-based power meter. As you strive to beat your personal best on your next race or Gran Fondo, power is the most reliable way to gauge your performance on any given day, at any given time. Unlike other power meters, Vector 3S has a sensor housed in the left pedal, so it delivers reliable, accurate data on every training session.- Installs like any other pedal and quickly transfers between bikes- Reports cadence and total power (watts)- Easily upgrades to dual-sensing system- Fully integrates with Garmin cycling ecosystem for data analysis- Allows for easy updates via compatible Edge cycling computers, ANT+ connectivity or Bluetooth-enabled fitness devices and Garmin Connect Mobile app- Battery life: up to 120 hours- Cleat hardware includedWARNING: The maximum weight limit of the cyclist using the Vector system is 231 lbs (105 kg). Cyclists over this weight limit risk personal injury and property damage.Specifications: - Battery type: LR44/SR44 (x2)- Battery life: up to 120 hours- Weight: 324 g- Max. rider weight: 105 kg- Accuracy: +/- 1.0%- Cleat type: Keo- Q-factor: 53 mm/ 55mm with supplied spacing washer- Stack height: 12.2 mm- Field calibration- Adjustable release tension- Garmin Connect- Measurement location: Spindle- Communication: ANT+ and Bluetooth

- AXS enabled for easy monitoring and firmware upgrades- Bluetooth Low Energy and ANT+ compatible- Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride- Power balance measures left and right legs separately- Uses a common CR2032 battery that last for 200 riding hours and changes without tools- Power-upgrade compatible with the following RED and Force eTap AXS cranksets: RED 1x: 36T-46T, Force 1x: 36T-46T, Force 2x: 33/46, 35/48- Bolt Circle Diameter (BCD): 107 BCD- Power Meter Type: ANT USB