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Stages Cycling Shimano 105 Gen 3 L Power Meter Crank Arm

$299.99

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  • Black, 170mm
    $299.99
  • Black, 175mm
    $299.99

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Shimano 105 Gen 3 L Power Meter Crank Arm

Now that you're looking to take your riding to the next level, you want to add a power meter to your setup to maximize your training but you have a couple of reservations. You don't want to waste your existing crankset, and you don’t want it to cost a fortune. Thanks to Stages Cycling and its Shimano 105 L Gen 3 Power Meter Crank Arm, you can simply add on a non-driveside crankarm letting you maintain the aesthetic and precision shifting rings while adding accurate power measurement to your steed.

This non-drive side crank arm is exactly the same as the standard 105 crank arm you currently have with a Stages power meter affixed to its inner surface. Tucked inside this little pod, strain gauges and an updated Gen 3 accelerometer measure torsional force and rotation speed to calculate power and deliver this data to your head unit via updated Bluetooth LE or ANT+ radios with a 6-time improvement in transmission strength. These measurements come with a claimed accuracy of +/- 1.5%, which is very much in-line with the best power meters on the market.

  • A 105 left crankarm with power measuring capability
  • Measures power with an impressive +/-1.5% accuracy
  • Active Temperature Compensation accommodates changing temperatures
  • Updated accelerator measures cadence
  • Improved wireless communication boosts the signal strength
  • Pairs with Stages Power App for firmware updates and zero resets
  • 200+ hour battery life with easily-changeable CR2032 coin-cell battery
  • Stages Cycling brings power data into an affordable price range
  • Item #SGCA03X

Compatibility
Shimano Hollowtech II road drivetrains
Accuracy (+/-)
1.5%
Battery
CR2032
Operating Time
200+ hours
Recommended Use
cycling
Manufacturer Warranty
1 year

Tech Specs

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Will this fit a Topstone 105 Al with a 172.5mm FSA crank (says CK-4002) on it.