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Stages Cycling Stages 5800 Power Meter 175mm

Stages Cycling Stages 5800 Power Meter 175mm
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For focused training that yields results, the consistency and accuracy of power-based training cannot be beat. And this unit is as low-profile and lightweight as a power meter gets – 20 grams, with a minimal housing and sleek front profile. You can expect wattage readings to be accurate within 2%. ANT+ and Bluetooth Smart compatibility make it good to go with pretty much any major GPS or cycling computer on the planet. Using a compact, easy to source, coin cell battery, the battery life is over 200+ hours, and you can swap it out quickly without tools.

Comes pre-mounted to Shimano's 105 5800 non-drive crank arm.
Shimano 5800 non-drive crank can pair with both compact and standard ring setups. Be sure to select the correct length.
Compatible with all Shimano Hollowtech II road drivetrains.
2016 model features a 28% lower profile and a 17% reduction in frontal area.
Fully sealed unit with IPX 7 waterproofing.
Power is measured in kilograms via strain gages and mathematically converted to Watts.
Active temperature compensation allows accurate readings regardless of weather.
Accelerometer-based cadence readings keep your bike free of wires, magnets, zip-ties and other hardware.
Specifications: accuracy: ± 2%, power range (Watts): 0 to 2500, cadence range (rpm): 20-220.
Wireless firmware upgrades keep the unit future-proof.
ANT+ and Bluetooth Smart compatibility.
Software compatibility: Training Peaks, Strava, Garmin Training Center and others.
CR2032 battery lasts 200+ hours and is user-replaceable without tools.
Fits most bike frames, check Stages fit guide for details.

Part Numbers

STA-901-0025-Blk-175 210000010961