Best cycling products: computers, trainers, power meters, and monitors tested
Cycling technology has converged around ANT+ and Bluetooth connectivity, which means products from different manufacturers now interoperate reliably. A Garmin Edge can read power from a Stages crank, a Wahoo trainer, and a Polar heart rate strap simultaneously. The consequence is that hardware choice can follow sensor accuracy and interface quality rather than ecosystem lock-in, with one important exception: if you use Zwift or TrainingPeaks as your primary training platform, the depth of integration with your head unit or trainer matters and is covered in each guide below.
This site’s cycling coverage is concentrated on endurance road cycling and structured indoor training. Track, gravel, and MTB-specific products appear where they are the clear best choice in a category, but the primary frame of reference is the triathlete and road cyclist training for events from sportive to Ironman distance.
Recommendations by category
- Best cycling computer: Garmin Edge versus Wahoo ELEMNT versus Hammerhead Karoo, compared on GPS accuracy, navigation, ClimbPro, Strava Live Segments, structured workout execution, and display quality.
- Best smart trainer: direct-drive versus wheel-on trainers, Zwift compatibility, platform lock-in, ERG mode accuracy, comfort features, and the KICKR MOVE case for longer sessions.
- Best power meter: pedal versus crank solutions, why Favero Assioma leads for multi-bike owners, and why a single-sided left crank is the right entry point for one-bike riders.
- Best cycling heart rate monitor: why the Polar H10 leads, why running HRMs add cost for features cyclists never use, and when an arm-worn sensor is the right alternative.
Watch versus dedicated cycling computer
A GPS watch worn on the wrist during a ride is a reasonable solution for athletes who train across multiple sports and do not want to manage two devices. A dedicated cycling computer mounted on the bars provides a larger display, easier operation in motion, and generally superior turn-by-turn navigation for unfamiliar routes. The best cycling watch guide covers the wrist option in detail. For most athletes who cycle seriously, both have a role: the watch for racing and travel, the computer for training and long-distance navigation.
For broader coverage of cycling technology and the Wahoo ecosystem, see the Wahoo hub and the Garmin Edge hub.
Best-of guides
Explore the full resource library
This site covers endurance sport technology across a range of dedicated reference sections. Each one collects the most relevant articles, tests, and analysis on its topic in one place.
Buyer guides
- Best sports watch: tested recommendations by sport and athlete type (triathlon, running, marathon, cycling, hiking, and women)
- Best Garmin watch: Forerunner versus Fenix by series, sport, and budget
- Best wearables: fitness trackers, recovery trackers, heart rate monitors, running power meters, and female athlete tech
- Best cycling products: computers, smart trainers, power meters, and cycling heart rate monitors
- Buying guides: every upgrade guide and product comparison in one place, by brand, for owners deciding whether to move to the newest model
- Gear I use: the watches, bikes, sensors, fuel and sleep kit tfk actually trains and races with, and what his partner uses
Brand and product guides
- Amazfit: the full Amazfit range from Balance to Cheetah to T-Rex, accuracy tests, HYROX partnership, and Zepp Health analysis
- Apple Watch: athlete-first coverage of Apple Watch across running, cycling, and triathlon
- COROS: watches, features, and firmware across the full COROS range
- Garmin: the company, the platform and the full range, and the starting point for choosing across every Garmin product line
- Garmin Edge: bike computers from entry-level navigation to flagship endurance and mountain biking
- Garmin Fenix: every model, feature, and firmware development for Garmin's flagship outdoor watch
- Garmin Fenix 8 Series: which variant to buy, upgrade advice, accuracy data, and the full Fenix 8 review and firmware coverage
- Garmin Forerunner: the full Forerunner line covered from entry level to triathlon flagship
- Garmin Instinct: rugged GPS watches for endurance and adventure athletes
- Garmin Features Explained: how Garmin's metrics work, from Training Load and Body Battery to Race Predictor and HRV Status
- Google Fitbit: Fitbit Edge, Fitbit Air, Google Health, Pixel Watch and the Wear OS platform
- Polar: watches, sensors, Polar Flow and training science across the full Polar range
- Runna: coach-written running plans that adapt as you train
- Suunto: Race, Vertical, Run and the SuuntoPlus ecosystem
- Strava: features, privacy, segments, and how Strava fits into a serious training setup
- Ride with GPS: route planning, navigation and how it works alongside Strava
- Wahoo: KICKR trainers, ELEMNT bike computers, and the Wahoo ecosystem
- WHOOP: strain, recovery, sleep and the full WHOOP ecosystem
Specifications database
- Full Specifications Database: detailed spec sheets, battery life, sensor lists and generation-on-generation comparisons for current Garmin, COROS, Amazfit, Samsung, Google Fitbit, Huawei, Polar, Suunto, Wahoo and Apple Watch models
Glossary
- Sports Technology Glossary: non-branded terminology across running, cycling, swimming, triathlon, hiking, strength training, HYROX, sensors, ecosystems, and brands
Sport and topic guides
- Running Watches: how to choose by discipline (road racing, trail, track, beginner, and multisport)
- Triathlon and Multisport Technology: watches, sensors, and race-day tools for swimmers, cyclists, and runners
- HYROX: training science, race analysis, and technology for the functional fitness race format
- parkrun: technology, training, and performance for the weekly 5K
- Hiking Technology: navigation, safety, and trail tech for walkers and hikers
- Heart Rate Monitoring: optical sensors, chest straps, accuracy comparisons, and how to set training zones
- Optical Sensors (PPG): the 40 things a wrist optical sensor could measure, from heart rate to glucose, ranked by evidence
- GPS Accuracy: how satellite systems perform across brands, terrains, and conditions
- Sports Watch Battery Life: battery claims, real-world tests, and how to manage battery life across Garmin, Apple, Amazfit and COROS
- Recovery Trackers: WHOOP, Oura, and the science of readiness scoring
- Muscle Oxygen Sensors: SmO2 and NIRS explained, Train Red and Moxy compared, and the category from BSX and Humon to Garmin and WHOOP
- Female Athlete Tech: wearables, physiology, and performance for female endurance athletes, covering cycle-synced training, RED-S, HR accuracy, and VO2max
- Sports Science: peer-reviewed research on HRV, VO2max, lactate threshold, running power, wearable accuracy, and supplementation
- Testing Methodology: how this site tests GPS accuracy, heart rate, battery life, and other performance claims
Content series
- Release Radar: confirmed launches, leaks, and rumours across Garmin, Apple, COROS, Polar, Suunto, and Wahoo
- Deep Dive Feature Files: weekly firmware feature updates across all brands (bug fixes excluded)
- Fix Files: weekly firmware bug fix tracking across all brands
Small things I always use
- Garmin 90-degree charging adapter: Charges your Garmin from any USB-C cable. Essential when travelling. I use one.
- Body Glide: The blue anti-chafe stick swimmers and runners carry. I use it.
- Speedo earplugs: Fewer ear infections and no cold-water dizziness. I use them.
- Dryrobe Advance: My winter changing robe for open-water swims. I use one. A cheaper option is the AONYIYI changing robe.
- Maurten: Race fuel that stays easy on the stomach. I use them.
- Beet It Sport nitrate shots: Beetroot shots I take in the days before a race. I use them.
- Garmin charging puck: The quickest way to top up before a session. I use one.
- Injinji: Toe socks that stop rubbing, so you run more. I use them.
- Ultimate toe protectors: Stop black toenails on long runs. They work. I use them.
- Compressport R2 v2 calf sleeves: My calf sleeves of choice. I use them.
- Cellucor C4: My pre-workout before hard sessions.
- TPU tubes: Schwalbe Aerothan, Tubolito and Pirelli SmarTube. Light, tiny spares. I use all three.
- G8 insoles: Adjustable insoles that are good. I use them.
- Cycplus Cube: A 97g electric pump that gets a road tyre rideable in two minutes. I carry one. 5% off with code THE5KRUNNER.
Watches and sensors
- Polar H10: My daily driver for waking HRV.
- Polar Verity Sense: My backup arm-worn HR sensor.
- Nomad bedside charger: Charges my iPhone and Apple Watch overnight. I use it, and many of their bands.
- Train.Red: The best muscle oxygen sensor I’ve used.
- Tymewear: Accurate heart rate and reliable ventilatory zones. I use it to pace endurance rides over an hour.
- Garmin Forerunner 970: A pro-grade triathlon watch. I use this.
- Apple Watch Ultra 4: My daily smartwatch. No phone needed on rides.
- Garmin Fenix 9 Pro: I’ve just bought one.
On the bike
- Continental GP5000 for everyday riding, and Aero 111 on the front for special occasions.
- Helmets: Specialized S-Works Evade 3 for road riding, and Rudy Project Wing for TT-style races. I use both.
- Ravemen FR300: A front light that mounts under your Garmin or Wahoo. I use one.
- Wahoo TRACKR Radar: I use it on one bike and Varia on the other. They perform the same.
- Garmin Varia RTL515: Radar that warns you of cars from behind. I use this model.
- Wahoo ELEMNT Roam 3: The bike computer that’s easy to use. I use mine on most rides.
- Favero Assioma Pro RS2: Accurate power pedals that swap easily between bikes. I use this model.
Home and indoor training
- NPE Runn: Makes my basic treadmill smart, sending more accurate speed and distance to my watch and Zwift. I use it.
- Google Wifi: Keeps Zwift connected in my pain cave. I use it.
- Apple TV 4K: Zwift on the big screen. I use two.
- Google Nest Doorbell (wired, 2nd gen): My video doorbell, running in both Google Home and Apple Home. I use it.
Health, recovery and sleep
- FreeStyle Libre 3 Plus: Shows how my blood sugar responds to diet.
- hDrop: Measures my sweat loss in summer and indoors.
- Fourth Frontier Zone: Checks my heart under load in hard sessions.
- Oura Ring 5: My partner’s recovery tracker of choice.
- Eight Sleep: A cooling mattress cover my partner and I use nightly.
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