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Description

While many Stages Power Meters are quite specific, their proprietary carbon arms were made with, and offered as, several options. The key to these Stages Power carbon left crank arms is that you have to properly match the interface. The BB EVO386 works directly with EVO386 cranksets in which the left side arm fits to the drive axle, which is permanently mated to the crank spider. For SRAM/Truvativ BB30 mountain or road cranksets, or the Race Face Next SL you need the Stages Carbon BB30-BB386 Power Meter, but also a Stages replacement bottom bracket spindle (sold separately), which may also include a spacer or spacers, to create the proper spacing or alignment. While there are power meters on the market with price ranges well into thousands of dollars with a bevy features and amazing capabilities; generating, measuring and applying detailed, useful, and accurate power data can be achieved simply with this carbon left side crank arm system.

With the fastest installation, setup and pairing, Stages delivers accurate and consistent power measurement to all cyclists- mountain, road or tri. Stages power meters are ANT+ and Bluetooth dual channel compatible to work with a host of head units and devices at the present and into the future. You can use your Stages Power Meter with almost any current smartphone via Bluetooth Smart with two-way interaction, and simultaneously be connected to your ANT+ compatible computer/GPS head unit for in-ride data and collection. The StagesPOWER App offers several key features and functions, is easy to use and is free for Stages Power Meter owners.

Installation of the Stages Carbon Carbon BB30-BB386 Power Meter is just a matter of replacing your existing left side crank arm (and spindle, when applicable) with the Stages equipped version. Simply remove your left arm or crankset and install the Stages arm (and spindle as needed). No magnets, zipties sensors or additional hardware required. Done. The head unit pairing and Zero calibration tasks are just as simple. The Stages unit is equipped with an accelerometer that tracks crank position during rotation to calculate cadence. It sends the cadence and power information to your connected devices. Truly simple. Th Stages self-contained unit means that from installing the power meter to riding generally takes about 15-20 minutes. Install, pair the power meter to a compatible head unit, Zero calibrate, go ride. Easy. Stages even provides excellent instructions and support through their website. ... Read More

Features

  • Most accessible, easiest to install/use, direct force crank arm power meter
  • Power meter accuracy: ± 2%
  • Stages Gen2 power meter pod affixed to Stages proprietary carbon left side crank arm, offset and design to coordinate with BB30 / EVO386 cranksets
  • Installation as simple as properly mounting and fixing left side crank arm
  • Head unit pairing and daily Zero calibration processes quick and straightforward
  • Active Temperature Compensation delivers continual accuracy while riding
  • Power range (Watts): 0 to 2500
  • ANT+ and Bluetooth Smart communication keeps unit future-proof
  • Factory bonded pod contains all electronics, strain gages, power source
  • Tool free, user replaceable CR2032 battery via externally accessible compartment
  • Internal accelerometer determines cadence throughout pedal stroke
  • Effective cadence range (rpm): 20-220
  • Firmware updates, data uploads accomplished wirelessly with Bluetooth Smart
  • Water resistance rating: IPX7 (do not use direct stream hose/pressure washer)
  • Device compatibility with simultaneous dual channel ANT+, Bluetooth Smart
  • StagesPOWER App allows you to manage your unit, collect and transmit data
  • Crank/Bottom Bracket compatibility: direct with EVO386, specific Stages spindles required for SRAM BB30-only road or mountain, as well as Race Face Next SL
    • Type A Spindle: Red / Red22
    • Type B Spindle: Force1, Force CX1, Force 22, Rival 22
    • Type C Spindle: SRAM BB30 Mountain cranksets with 9mm driveside spacer
    • Type D Spindle: SRAM BB30 Mountain cranksets with 15.5mm driveside spacer
    • Type E Spindle: Race Face Next SL
  • Always install crank arm to Stages and crank manufacturer specifications
  • Weight: Adds 20 grams to base crank arm
  • Finish: Gloss UD Carbon scheme w/Stages logo
  • Select: Crank arm length
  • See our Stages Brand page for Spindle selection