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. ATC is the key reason a rider can trust data from Stages Power in all conditions. Individual meter calibration for the most accurate results Each Stages Power meter is calibrated individually to ensure a +/- 1,5% accuracy level, which is an industry best for non-scientific power meters. Individual calibration means that you can trust the bi-lateral data produced by our system, as it's a real measurement and not an estimation. Stages Power R drive-side meter for added compatibility or upgrading an existing Stages Power L meter to Stages Power LR While not widespread there are some key bicycle models that are not compatibile with the non-drive crank arm based Stages Power meter because of interference with the power meter housing, for example Cervelo's P5 and many bikes with chainstay mounted brake calipers. Stages Power R offers increased compatibility with these models as well as the ability to upgrade existing Stages Power L power meters to Stages Power LR (dual) meter systems. Features: Active temperature compensation Accelerometer based cadence measurement or the option to use a Hall-Effect based system with magnet Wirelessly upgradable firmware LED indicator for visual indication of battery levels and zero reset confirmation without connected app or headunit Updated accelorometer and addition of gyroscope for improved cadence resolution NFC tap to pair for some phones and devices Upgraded BLE and ANT+ radios offer a 6x improvement of data transmission strength Specifications: Accuracy: +/- 1,5% accurate in all conditions Power meter housing: low profile design, with robust door interface. Tool free battery replacement on the left arm and phillips head screw access on the drive side Weight: Only adds 35g (Stages Power LR) / 15g (Stages Power L) / 20g (Stages Power R) to base crank set Battery life: 175+ hours (Stages Power LR, via 2 coin cell: CR2032), 200+ hours (coin cell: CR2032) when used as a single sided Stages Power L or Stages Power R meter Power range (Watts): 0 - 2500 Cadence range (rpm): 20 - 220 Water resistance rating: IPX7 Compatibility: Stages Power L - Compatible with all Shimano Hollowtech II road drive side crank arms. Stages Power LR - Compatible with all Shimano Hollowtech II, 11-speed, road drivetrains. Stages Power R - Compatible with all Shimano Hollowtech II road left arms, but is only compatible with Dura-Ace R9100 or R8000 chainrings. *Does not include chainrings. Frame Compatibility - Most frames, see fit guide in our Support section Software Compatibility - Stages Link, Training Peaks, Strava, Garmin Training Center and others Device Compatibility - ANT+, Bluetooth Smart Ready
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.The SRAM RED AXS™ power meter breaks with tradition — and breaks through to new levels of performance. The power meters are designed with Quarq’s premier DZero™ power measurement technology fully integrated into the crankset. Welcome to the pinnacle of the power meter.Key Features:X-Range™ gearing technology gives you more range and a smoother gear progression, so you’re always in the right gearIntegrated power measurementPower meter is fully integrated into the chainring set for lighter weightPower readings are accurate within +/-1.5% and aren’t affected by climate conditions during a ridePower balance measures left and right legs separatelyImproved front shifting performance for crisp and accurate front shiftsUnique chainring shape results in a lighter weight, stiffer, more durable cranksetIntegrated chainring design significantly reduces weightDZERO™ - Quarq’s next-generation DZero power meter platform is named for the D0 Experiment, one of science’s most accurate and innovative projects to detect subatomic particles moving at the speed of light. With a new measurement circuit, a revised strain gauge design, improved accuracy throughout the pedal stroke, and software advances, DZero represents the state of the art in power meter technology.AXS™ - AXS is SRAM’s new electronic integration platform that connects electronic bicycle components and software. The SRAM AXS App allows riders to see battery status, change component behavior, personalize controls, get maintenance reminders, and update firmware.X-SYNC™ - SRAM X-SYNC 1x chainrings provide the highest level of performance and durability. The SRAM X-SYNC tall square teeth edges engage the chain earlier than traditional triangle shaped teeth. The sharp and narrow tooth profile, as well as rounded chamfer edges, help manage a deflected chain. To provide the best possible performance in muddy conditions, the X-SYNC chainrings have been designed with mud-clearing recesses for the inner chain links and rollers. Engineered in Germany, X-SYNC rings are an integral part of the SRAM 1x™ drivetrain. Accept no imitations.CARBON TUNED™ - Strength and stiffness where you need it, lightweight like you want it. Proprietary SRAM carbon lay-up design increases thickness and stiffness at critical stress areas. Tapered, terraced, carbon architecture ensures the greatest weight savings without compromising strength.X-RANGE™ - Road bikes are faster and more capable than ever before, and riders are expanding what’s possible with drop bar bikes. X-Range is gearing for today’s road riding. We completely re-imagined road gearing for wider range, more useful and smoother gear progression, as well as smarter shift settings – enabled by AXS™ App. With X-Range, you’re always in the right gear.Specifications:Speeds: 12Crank arm length: 170mm, 172.5mm, 175mm, 177.5mmBB Compatibility: All SRAM Road DUB BBsChainring Size: 46/33, 48/35, 50/37Bolt Circle Diameter (BCD): Direct Mount (DM)Chainline: 45.0mmBB Spindle Interface: DUBChainring material: AluminumGuard: No GuardCrank arm material: CarbonColor (Crank arm): Natural carbonPower Meter Type: ANT+ and BLE
SRAM AXS Powermeter SpiderEngineered for precise and reliable results using proven SRAM technologies, this powermeter spider is perfect if you're training for an event or wanting to achieve personal performance goals. Ready for training, it features a hard-wearing aluminium construction for extra toughness and durability on your road bike. SRAM has also put this model through a CNC-machining process to shave off any excess material, while still maintaining its strength. As a result, riders will enjoy its smooth and dependable performance without any weight penalty. With power readings that are accurate within +/-1.5% and aren't affected by climate conditions during a ride, this is a great choice of upgrade for taking your training sessions up a level.AXS Enabled Powermeter SpiderAXS is SRAM's bike component integration system that connects electronic bicycle components and software. The SRAM AXS app allows riders to see battery status, change component behaviour, personalise controls, get maintenance reminders, and update firmware.Bluetooth and ANT+ CompatibleYour riding and training efforts deserve power measurement that reaches the highest standards of accuracy to help you reach personal records. Because without accurate data, you can't know if you are making the progress you're aiming for. With SRAM's power measurement technology that uses Bluetooth Low Energy and ANT+ connectivity, you'll have the technology to get real results. 200 hours of Ride TimeYou 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 conditions 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 SRAM AXS Powermeter Spider is made for. Train harder, ride faster and unlock your ultimate potential. Please note: This product includes the SRAM AXS Powermeter Spider only. Cranksets and chainrings are available separately.Features: Material: CNC-machined Aluminium Use: Road BCD: 106 AXS Enabled: Yes Connectivity: Bluetooth Low Energy and ANT+ compatible Accuracy: Within +/-1.5% Battery Type: CR2032 Battery Life: 200 riding hours Toolless Battery Change: Yes Included: Powermeter spider only, cranksets and chainrings available separatelyTechnologies: 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. Uses a common CR2032 battery that lasts 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.Manufacturer's Part Numbers: PMQS8229000 Grey 107 BCDBuy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Whether you're training for an event or wanting to achieve personal performance goals, this powermeter spider is designed for precise and reliable results using proven SRAM technologies. Ready for training, it features a hard-wearing aluminium construction for extra toughness and durability on your road bike. SRAM has also put this model through a CNC-machining process to shave off any excess material, while still maintaining its strength. As a result, riders will enjoy its smooth and dependable performance without any weight penalty. With power readings that are accurate within +/-1.5% and aren't affected by climate conditions during a ride, this is a great choice of upgrade for taking your training sessions up a level. AXS Enabled Powermeter Spider AXS is SRAM’s bike component integration system that connects electronic bicycle components and software. The SRAM AXS app allows riders to see battery status, change component behavior, personalise controls, get maintenance reminders, and update firmware. Bluetooth and ANT+ Compatible Your riding and training efforts deserve power measurement that reaches the highest standards of accuracy to help you reach personal records. Because without accurate data, you can’t know if you are making the progress you’re aiming for. With SRAM's power measurement technology that uses Bluetooth Low Energy and ANT+ connectivity, you’ll have the technology to get real results. 200 hours of Ride Time 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 conditions 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 SRAM AXS Powermeter Spider is made for. Train harder, ride faster and unlock your ultimate potential. Please note: This product includes the SRAM AXS Powermeter Spider only. Cranksets and chainrings are available separately. Technologies: - 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. - Uses a common CR2032 battery that lasts 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. Manufacturer's Part Number: PMQS8229000 Grey 107 BCD
Offering simplicity, strength and durability, this chainring powermeter kit meets the demands of competing time trial and triathlon riders. It features a robust aluminium construction that's also CNC-machined, so riders can benefit from its fantastic strength to weight ratio on every training session. SRAM has integrated the powermeter into this direct mount chainring, so you can enjoy its tighter gearing range that's perfect for racing and areas with flatter terrain. Coming equipped with Quarq DZero power measurement, you'll also enjoy its accurate readings within +/-1.5% that aren't affected by climate conditions during a ride. - AXS enabled for easy monitoring and firmware upgrades - Single-ring drivetrain simplifies functionality - Fully integrated power meter into a direct mount aero 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 new RED and Force eTap AXS cranks Technologies: AXS: AXS is SRAM's bike component integration system that connects electronic bicycle components and software. This SRAM AXS app allows riders to see battery status, change component behaviour, personalise controls, get maintenance reminders and update firmware. X-SYNC: SRAM X-SYNC chain rings provide the highest level of performance and durability. The SRAM X-SYNC™ tall square teeth edges engage the chain earlier than traditional triangle shaped teeth. The sharp and narrow tooth profile, as well as rounded chamfer edges, help manage a deflected chain. To provide the best possible performance in muddy conditions, the X-SYNC™ chain rings have been designed with mud-clearing recesses for the inner chain links and rollers. Engineered in Germany, X-SYNC™ rings are an integral part of the SRAM 1x™ drivetrain. DZERO: The Quarq platform for powermeters, DZero, is certified according to the DZero experiment, one of the most accurate and innovative Projects of science to study subatomic particles moving at the speed of light. With a new measuring circuit, a revised DMSDesign, improved accuracy throughout the entire Pedal rotation and software progress represented DZero represents the state of the art in power measurement technology.
Equipped with premium DZero power measurement technology, this innovative chainset uses ANT+ and Bluetooth BLE to send accurate readings to your compatible device, allowing you to make the adjustments needed to hit your targets. Comprised of an aluminium chainring and carbon crankarm, this lightweight and reliable 12 speed model features X-Range technology for added strength and durability and a DUB compatible bottom bracket, allowing you to fit it to most frame types. Held inside the crankarm, the meter gives super-accurate readings to within +/-1.5% while staying protected from bumps, shocks and moisture, making it the ideal training aid for the performance-focused rider.
Quarq DZero for Specialized replaces the factory spider on Specialized’s S-Works carbon crankset. It is compatible with cranksets from 2013-CurrentDZero 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.Key Features: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,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 lock ring tool is required for installation..
Every innovation in Quarq’s DZero platform represented the 10+ years of Quarq’s advances in power meter technology. This same platform is now combined with SRAM’s innovative DUB technology to bring you the simplest spider-based power meter. Simplified part choices, quality materials and a broader compatibility for bottom brackets and chainrings, brings power on every ride.Key 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.,.Specifications:Speeds: 11,Crank arm length: n/a,BB Compatibility: All SRAM Road DUB BBs,Chainring Size: No rings,Chainline: n/a,BB Spindle Interface: DUB,Chainring material: No rings,Guard: No Guard,Crank arm material: n/a,Color (Crank arm): n/a,Power Meter Type: ANT+ and BLE.
Key Features:AXS™ enabled for easy monitoring and firmware upgrades,Single-ring drivetrain simplifies functionality,Fully integrated power meter into a direct mount aero 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 new RED® and Force eTap AXS™ cranks..
The SRAM RED AXS™ power meter breaks with tradition — and breaks through to new levels of performance. The power meters are designed with Quarq’s premier DZero™ power measurement technology fully integrated into the crankset. Welcome to the pinnacle of the power meter.These power meter spiders are to upgrade your current non-power AXS™ crankset.Key Features:All 2x, 48 and 50t variants have fully integrated power into a direct mount aero chainring,Unique chainring shape results in a lighter weight, stiffer, more durable crankset,Integrated chainring design significantly reduces weight,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, simplicity and broad compatibility,AXS™ enabled for easy monitoring and firmware upgrades,Bluetooth Low Energy and ANT+ compatible,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.
Every innovation in Quarq’s next-generation DZero platform is channeled into DFour. 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.Designed for Dura-Ace 9000 chainrings. Compatible with Ultegra 6800 and 105 5800 chainrings..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..BB30 versions ship with the spacers and wave washer required for BB386EVO installation..Key Features:Bluetooth low energy technology and ANT+ wireless data transfer..AxCad - no magnet..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..Specifications:Material - CNC Machined Aluminum Spider, Exogram™ Carbon Crank Arms.Accuracy - 1.5%.Bolt Circle Diameter - 110 Asymmetric BCD.Arm Lengths - 162.5mm, 165mm, 170mm, 172.5mm, 175mm, 177.5mm.Q-Factor - 145mm.Bottom Bracket - GXP, Press Fit GXP, BB30, Press Fit 30, BBright, BB386EVO, BB30A, PF30A.Wireless Technology - ANT+, Bluetooth low energy technology.Battery - CR2032, 200 hours of riding time.Weight - 588g.Head Unit - ANT+™ and Bluetooth® low energy technology compatible head units (available separately).Analysis Software - TrainingPeaks WKO4®, TrainingPeaks®, Today's Plan, Golden Cheetah, Strava® and others (available separately).Compatibility - Shimano® 11-speed chainrings (except for R9100). Designed for Dura-Ace® 9000. Compatible with Ultegra® 6800 and 105® 5800..
QUARQ POWERMETER SPIDER ASSEMBLY FOR SPECIALIZED