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Electronics

$442.00
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 app
Essential 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.

$449.99
The new Gen 3 single-sided Stages Power R meter is built on to a drive-side Shimano Ultegra R8000 crank arm and is compatible with all frames that fit Shimano Hollowtech II cranks.
Tour Proven. Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world’s best product proving ground, then Stages Power is proven as the world’s best power meter.
Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions.
Single drive-side power meter increases frame compatibility or upgrades an existing Stages Power L meter to Stages Power LR. Stages Power R offers increased compatibility with direct mount brakes and frames that lack adequate chainstay clearance, as well as the ability to upgrade existing Stages Power L power meters to Stages Power LR bi-lateral (dual) meter systems.
Additional features:
- ± 1.5 % accuracy in all conditions
- Active temperature compensation
- Accelerometer based cadence measurement
- Wirelessly upgradable firmware
- LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset
- Updated accelerometer and addition of gyroscope for improved cadence resolution
- Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength
Specifications
- Power meter housing: low profile design, 2x phillips head screw to access battery compartment
- Weight: Only adds 20g to base crankset
- Battery Life: 175+ hours (via coin cell: CR2032)
- Power range (Watts): 0 to 5000
- Cadence range (rpm): 10-220
- Water resistance rating: IPX7
In the box
- Drive-side power meter
- High quality CR2032 coin cell battery
- Lifetime access to Stages Link for power meter management and firmware upgrades.
- 2 months free access to Stages Link premium training and coaching features.
- Product Identification Card with Serial Number and ANT+ I.D. Number.
- User Guide

$499.99
Performance GPS Cycling Computer with Mapping and Touchscreen
- Dynamic performance monitoring provides insights on your VO2 max, recovery, training load focus, heat and altitude acclimation, nutrition, hydration and more
- MTB dynamics track jump count, jump distance and hang time as well as Grit, a measure of the ride’s difficulty, and Flow, which tracks the smoothness of your descent so you have a score to beat next time
- Cycling safety features include new bike alarm, group messaging and tracking, assistance and compatibility with Varia rearview radar and lights so you can see and be seen
- includes routable Garmin Cycle Map with popularity routing — which helps you ride like a local — plus on-device route creation, off-course recalculation and back to start; integrated Trailforks data includes trail difficulty ratings
- Customize with free apps widgets and data fields from the Connect iQ Store
- Battery life: up to 20 hours with GPS; extendable up to 40 hours with the Garmin Charge power pack or in battery save mode
- Speed sensor, Cadence sensor and Heart rate monitor
Who cares that the Edge 830 touchscreen cycling computer puts trail maps and ratings at your fingertips and offers insights to help you improve? You do. So, whether you’re an enduro extremist, a black diamond expert or somewhere in between, Edge 830 is ready to tame the trails with you.
In The Box
- Edge 830
- Flush out-front mount
- Standard mount
- Speed sensor
- Cadence sensor
- Heart rate monitor
- Tether
- USB cable
- Documentation

$599.99
Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The DFour DUB was designed specifically for Dura-Ace R9100 chainrings. Train using a Quarq power meter without changing your drivetrain. You are working hard, pushing yourself to new heights in some of the toughest conditions. Ride with confidence knowing that your power meter will not quit when you need it the most. Enjoy up to 200 hours of ride time in any weather condition with its IPX7 waterproof rating and 10k temperature compensation; if harsh climates do not hold you back, then you need a product capable of rising to the occasion. That is exactly what the DFour DUB power meter is made for. Train harder, ride faster, and unlock your ultimate potential. The DFour DUB power meter brings simplicity and ease-of-use to your training. With MagicZero automatic calibration, there is no need to worry about calibrating before you ride; just jump on your bike and go. DFour DUB features Bluetooth low-energy and ANT+ wireless data transfer, delivering power output information directly to your cycling computer.
Features
- Bluetooth low-energy technology and ANT+ wireless data transfer
- MagicZero - automatically checks and recalibrates your power meter as you ride – no need to manually calibrate
- AxCad - no cadence magnet required
- 10K Temperature Compensation
- Battery - CR2032, 200-hour battery life, change without tools
- OmniCal - swap chainrings without affecting accuracy
- 2-year warranty
- IPX7 waterproof rating
- Accuracy - within 1.5%, measuring both legs

$699.99
Rally XC100 is tested to the extreme, so you can ride there too. This single-sensing power meter delivers reliable power measurements and is easy to transfer between bikes, no matter what bike you're on or where you're riding.
- Impeccably Designed Pedal—Rally power meters have undergone rigorous testing to increase reliability. Featuring a superior design with sensors housed inside, this pedal installs like any other pedal. And it's quick to transfer between bikes.
- Reliable Readings—By reliably measuring your cadence and forces detected on the left pedal, Rally XC100 doubles the value to provide total power. Want more metrics? Upgrade later to the dual-sensing system (sold separately).
- Cleat Compatibility—For a comfortable ride, this pedal is designed to fit your favorite Shimano SPD cleats.
- Transferable Spindle—From road to gravel to cyclocross and much more, keep riding year-round with a transferable spindle that can be installed in the Rally RS/Rally RK road pedal body kits (each sold separately).
- Battery Life—Make sure you're ready for those long rides and training sessions with up to 120 hours of battery life.
Specs:
- Battery type: LR44/SR44 (x4)
- Battery life: up to 120 hours (with LR44 battery type)
- Weight: 316g
- Water resistance: IPX7
- Max. rider weight: 105kg
- Accuracy: +/- 1.0%
- Cleat type: Shimano SPD
- Q-factor: 53/55mm with supplied spacing washer
- Stack height: 13.5mm
- Field calibration
- Adjustable release tension
- Garmin Connect
- Measurement location: Spindle
- Communication: ANT+ and Bluetooth
In the Box:
- Rally XC100 pedals
- Cleat hardware
- 55mm Q-factor washers
- Documentation

$1,179.99
When Quarq set out to build their next-generation power meter, they wanted to build the best-performing power meter for every facet of cycling and triathlon, and for riders at every level. Like its Quarq brethren, the new DFour measures power in the heart of the bicycle — the crankset spider, scientifically proven to be the place for the most accurate measurement. With a new measurement circuit, revised strain gauge design, improved accuracy throughout the pedal stroke and software advances built into the Qalvin App, the DFour represents the state of the art in power meter technology. Every innovation in Quarq’s next-generation DZero platform is channeled into the DFour Power Meter Crankset. It embodies 10 years of Quarq technology advances with new features such as dual Bluetooth low energy and ANT+ wireless data transfer, the new Qalvin BLE app and compatibility with BB386EVO bottom brackets.
- The DFour power meter is a bolt-on upgrade for Shimano’s 11-speed Dura-Ace 9000, Ultegra 6800 and 105 5800 drivetrains.
- Must be paired with a compatible SRAM bottom bracket.
- ELSA RS power meter owners can upgrade using the DFour Power Meter Spider.
- Free firmware upgrades with the Qalvin app.
- Compatible with BB30 bottom bracket.
- BB30 versions ship with the spacers and wave washer required for BB386EVO installation.

$1,199.99
Rally XC200 is tested to the extreme, so you can ride there too. This dual-sensing power meter delivers reliable power measurements and is easy to transfer between bikes, no matter what bike you're on or where you're riding.
- Impeccably Designed Pedal—Rally power meters have undergone rigorous testing to increase reliability. Featuring a superior design with sensors housed inside, these sleek pedals install like any pedal. And they're quick to transfer between bikes.
- Advanced Cycling Dynamics—In addition to total power and cadence, Rally XC200 measures much more. These metrics help you identify your strengths and weaknesses, so you can work to improve.
- Left/Right Balance—Measure power from your left leg versus power from your right leg to get a better look at how symmetrically you're producing power.
- Seated vs. Standing—Track the amount of time you spend in each position and gauge position effectiveness.
- Power Phase—Get a clear look at where you're producing power in the pedal stroke.
- Platform Center Offset—Ensure proper cleat position by keeping track of where power is applied on the pedal.
- Cleat Compatibility—For a comfortable ride, these pedals are designed to fit your favorite Shimano SPD cleats.
- Transferable Spindle—From road to gravel to cyclocross and much more, keep riding year-round with a transferable spindle that can be installed in the Rally RS/Rally RK road pedal body kits (each sold separately).
- Battery Life—Make sure you're ready for those long rides and training sessions with up to 120 hours of battery life.
Specs:
- Battery type: LR44/SR44 (x4)
- Battery life: up to 120 hours (with LR44 battery type)
- Weight: 316g
- Water resistance: IPX7
- Max. rider weight: 105kg
- Accuracy: +/- 1.0%
- Cleat type: Shimano SPD
- Q-factor: 53/55mm with supplied spacing washer
- Stack height: 13.5mm
- Field calibration
- Adjustable release tension
- Garmin Connect
- Measurement location: Spindle
- Communication: ANT+ and Bluetooth
In the Box:
- Rally XC200 pedals
- Cleat hardware
- 55mm Q-factor washers
- Documentation
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