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SRM PM9 Origin Track Carbon Power Meter

Josh Matthew May 17, 2022


+/- 1.0% accuracy, unmatched consistency and durability plus LOOK carbon crank arms

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SRM PM9 Origin Track Carbon Power Meter

The SRM Origin Track Carbon Power Meter is the latest offering in SRM’s new Origin power meter line. With the Origin, you not only get SRM’s +/- 1.0% accuracy levels and unmatched consistency and durability, but also LOOK carbon crank arms. Weighing a mere 120 grams and featuring ultra-stiff carbon fiber, the LOOK carbon crank arms give the Origin a superior stiffness to weight ratio. In fact, the entire power meter weighs just 599 grams.

In addition, the LOOK crank arms feature Trilobe Technology, which allows the crank arm to function in three lengths, 170 mm, 172.5 mm and 175 mm, simply by rotating the Trilobe pedal inserts. The Origin also offers near limitless compatibility with exchangeable 24 and 30 mm spindles, which means it can be used with virtually any frame on the market.

The SRM Origin Track Carbon Power Meter is available in either a standard or rechargeable battery and can be purchased as a power meter spider only, sans the LOOK crank arms.


New PM9 Version!

PM9 – This is SRM’s newest version of their power meter which offers new features and functionality including:

  • Improved accuracy
  • Magnet-less cadence
  • Left/Right Power Balance
  • Automatic temperature compensation
  • Bluetooth SMART

PM7 – Please contact if you are interested in the PM7 version which doesn’t have the features listed above, but sells for $300 less.



Crank Arm: LOOK Carbon | SRM Carbon

  • LOOK-SRM Carbon (170/172.5/175) – These are the lightest crank arms offered (260 grams). The crank arm functions in three lengths, 170 mm, 172.5 mm and 175 mm, simply by rotating the Trilobe pedal inserts.
  • SRM Carbon Composite – These carbon arms are still very light and stiff, but they weigh a bit more than the LOOK-SRM Carbon at 344 grams per set. However, they are also more affordable.

LOOK-SRM Carbon (170/172.5/175)

SRM LOOK Carbon Crank Arms

SRM Carbon Composite

SRM Carbon Composite Crank Arm

Spindle: 24 MM | 30 MM

  • 24 MM – For use with 24 mm bottom brackets.
  • 30 MM – For use with 30 mm bottom brackets.

PC8 Bundle: You get $249 off the standard price of the PC8 when you bundle it with a SRM power meter.


Tools Needed for Installation

You will need the following tools for installation of this product. You can purchase many of these commonly used tools in our store.

  • 10 mm Allen key
  • 3 mm Allen key
  • SRM lock ring tool


Chainrings: The SRM Origin Track Carbon Power Meter is compatible with 144 BCD 5-bolt track chainrings.

Bottom Bracket: This power meter fits 24 MM or 30 MM bottom brackets, depending on the version ordered.

SRM Origin Track Carbon Power Meter Specs

NameSRM Origin Track Carbon
Bike TypeTrack
Location of Power MeasurementSpider
Left or Both Legs MeasuredBoth
Independent Left/Right MeasurementPM7 - No | PM9 - Power Balance
InstallationMore involved (60 min. estimated)
Communication ProtocolPM7 - ANT+ | PM9 - ANT+, Bluetooth
Claimed AccuracyPM7 - +/- 2.0% | PM9 - +/- 1.0%
Weight599 grams
Battery TypeRechargeable
Battery Life100 hours
Method of Cadence MeasurementPM7 - Magnet | PM9 - Accelerometer
Q FactorVariable
Warranty3 years

In the Box

  • SRM Power Meter (spider, crank arms, spindle)
  • SRM USB Charger Cable
  • Cadence Magnet Kit (if PM7 version. Not needed with PM9)
  • SRM PC8 Cycling Computer (if purchased)
  • Handlebar mount (if SRM PC8 is purchased)

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