Power meters have always been a bike-specific investment. You buy one for your road bike, and it stays there—expensive, permanent, locked into a single frame. The CycloWatt flips that logic by moving the sensor into your cycling cleat instead, letting you swap it between any bike in your collection.
The Swiss startup behind it is funding through Kickstarter right now, with early pledges at around $216 USD. The cleat comes in the two most common road cycling formats (SPD-SL and Look Kéo), so it works with what most riders already use. The trade-off is practical: the sensor protrudes from the bottom of your shoe rather than sitting flush, which means it's designed for road bikes only—gravel and mountain setups would catch too much dirt and damage.
How the mechanics work
You get two 45-gram cleats in the package, but only one contains the actual power meter. That sealed, splash-proof module transmits your data via Bluetooth or ANT+ to your phone or cycling computer, compatible with all the major training platforms. The accuracy claim is ±3% in real-world conditions—solid enough for most training purposes, though not quite at the level of the most expensive dedicated meters.
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The battery story is where this design really shines. One hour of charging gives you 24 hours of active riding time. More importantly, when your cleat wears out from normal use (which happens), you don't replace the whole sensor. You just pop the power meter module out and slot it into a fresh cleat. That's the elegance here: the expensive part stays with you, the consumable part gets replaced cheaply.
This modularity solves a problem that's quietly frustrated cyclists for years. If you own two or three bikes—a commuter, a weekend road bike, a gravel machine—traditional power meters force you to either buy multiple sensors (thousands of dollars) or keep swapping one between frames (a hassle). A cleat-based system means your power data follows you, not your equipment.
There's a caveat worth mentioning: crowdfunded cycling hardware has a spotty track record. A previous cleat-integrated power meter called the STYX Powermeter made it to Kickstarter but never shipped. The CycloWatt team will need to execute on manufacturing and delivery in a way that's proven harder than it sounds in the hardware space.
If this ships as planned, it could shift how cyclists think about power measurement—not as a bike upgrade, but as a personal training tool that moves with you.
