Inpeak Power Meters

Connectivity and Device Pairing

INPEAK power meters broadcast on both ANT+ and Bluetooth Low Energy simultaneously, which matters more than it might sound. Running a Garmin on the bars and Zwift on a tablet indoors? Both can read the sensor at the same time without any conflict. Pairing with Garmin Edge computers, Wahoo ELEMNT units, and Hammerhead Karoo devices is straightforward - search for the sensor in your device's power meter menu and it appears within a few seconds. No fiddling, no dropout drama.

For indoor sessions, INPEAK connects cleanly to Zwift, TrainerRoad, and Wahoo SYSTM. The INPEAK Manager app handles firmware updates and diagnostics via your phone, which means you're not reliant on a desktop to keep the unit current. It's worth opening the app at the start of a new season just to check you're on the latest firmware - takes two minutes and keeps everything running as it should. Dual-band support also gives you a fallback if one protocol plays up, which is reassuring if ANT+ interference is an issue in a busy gym or turbo room.

Accuracy, Temperature Compensation, and Battery Life

The headline accuracy figure of +/- 1.5% is competitive with established names like Stages and 4iiii. For training purposes - setting zones, tracking fitness, pacing efforts - that level of precision is more than adequate. What keeps that figure consistent is Active Temperature Compensation. Strain gauges are sensitive to temperature swings: without ATC, a cold crank arm can produce wattage readings that wander noticeably from the true figure. INPEAK's ATC corrects for this in real time, so a ride that starts in cold drizzle on the way out of Sheffield and warms up as the sun breaks through doesn't produce a power graph that looks like something went wrong with the sensor.

Battery life is one of INPEAK's more practical selling points. The CR2032 coin cell delivers up to 200 hours of riding time - roughly a full season of regular training before you need to think about it. When the time comes, the battery cover comes off without tools. A fresh CR2032 costs next to nothing and is available in any UK supermarket or pharmacy, so there's no waiting on specialist stock or proprietary charging cables. Compare that with some rechargeable units where a forgotten charge the night before means a wasted morning - this approach keeps things simple. Worth keeping a spare CR2032 in your bar bag anyway, just in case.

An INPEAK left-sided power meter measures force on the left crank arm and doubles the figure to estimate total output. That's the same methodology used by Stages and 4iiii entry-level units, and for the vast majority of riders it produces training data that's entirely fit for purpose. If you need true bilateral measurement with separate left/right power balance, you'd be looking at dual-sided options from Favero or similar - but for most training scenarios, left-sided data is what you need.

Fitting It to Your Bike

Before you order, check your frame clearance. The INPEAK pod sits on the inside face of the left crank arm, and not every frame has generous room there. A reliable method: place an 8mm Allen key between your existing left crank arm and the chainstay. If it fits with a little room to spare, the INPEAK pod will clear. If the key barely squeezes through, measure carefully or check with the retailer before committing. Tighter clearances are most common on bikes with wider bottom bracket shells or certain carbon frame designs - worth a few minutes of checking rather than an awkward return.

Installation itself is well within the ability of anyone comfortable doing basic bike maintenance. The pod bonds or bolts to the crank arm depending on the model, and INPEAK calibration is performed via a simple zero-offset procedure through your head unit or the INPEAK Manager app. Do this each time you head out - it takes seconds and keeps your numbers accurate. The process is standard across the power meter category: crank arm pointing straight down at the six o'clock position, no weight on the pedals, trigger the calibration. Done.

On durability, the IP67 waterproof rating is the key spec for UK riding. IP67 means the unit can handle submersion in up to a metre of water for 30 minutes - so wheel spray, standing water on winter lanes, and pressure washing after a filthy ride in the Peaks are all covered. It's a meaningful real-world spec, not a marginal one. Some lower-cost power meters carry only splash resistance ratings that don't hold up to a proper British winter. INPEAK's rating gives you confidence that the sensor won't pack in mid-December when you need it most. If you're also shopping for indoor training kit to pair with your new power data, it's worth looking at compatible Garmin power meter head units to complete the setup.

Frequently Asked Questions

How accurate are INPEAK power meters?

INPEAK power meters are rated at +/- 1.5% accuracy, which matches the standard set by well-regarded competitors in the crank-based category. Active Temperature Compensation runs continuously to prevent wattage drift when conditions change - handy for rides where the temperature shifts significantly between start and finish.

How do I calibrate my INPEAK power meter?

Point your left crank arm straight down to the six o'clock position and make sure there's no weight on the pedals. Then trigger the zero-offset calibration through your paired GPS head unit or the INPEAK Manager app. Do it before each ride and the whole process takes about five seconds.

What battery does an INPEAK power meter use?

INPEAK power meters run on a standard CR2032 coin cell battery, rated for up to 200 hours of use. The battery cover is tool-free, so swapping it out is quick and straightforward. CR2032 cells are available in any UK supermarket, which keeps replacement simple and cheap.