The SRM PM9 Origin Track Carbon Power Meter is the latest offering in SRM’s new Origin power meter line. In addition to be highly accurate, this PM9 version features Left/Right Power Balance, Magnet-less cadence, Automatic temperature compensation, and Bluetooth SMART, among other new features. You can order it with either LOOK carbon crank arms, which are the lightest, stiffest cranks SRM offers, or SRM Composite cranks. It’s not cheap, but it’s one of the nicest track power meter cranksets you can buy!
Key Product Details
This power meter is compatible with 144 BCD 5-bolt track chainrings. It fits 24 MM and 30 MM track bottom brackets, depending on the version ordered. See Compatibility tab for more information.
This SRM power meter measures power at the spider and is therefore able to measure power from both legs.
Dual-leg power measurement, carbon crank arms, accurate to within +/- 1.0%, lightweight, rechargeable battery, 100 hours of battery life, left/right power balance, automatic temperature compensation, ANT+ and Bluetooth compatible, 2-year warranty. See Specs tab for more information.
Advice From Our Staff:
It’s not cheap, but this is one of the nicest track power meters you can buy. It is accurate, stiff, lightweight, looks great and it comes with a solid 2-year warranty. In addition, with an option to order it with a 24 mm or 30 mm spindle, you can put it on almost any bike.
Options For This Power Meter
LOOK-SRM Carbon | SRM Carbon Composite
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 Carbon Composite
24 MM | 30 MM
24 MM – For use with 24 mm track bottom brackets.
30 MM – For use with 30 mm track bottom brackets.
While not listed in the dropdown menus above, you can bundle the SRM PM9 Origin Power Meter with a SRM PC8 Bike Computer. When you do, you get $249 off the standard price of the PC8. Please contact us if you would like this option.
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 track bottom brackets, depending on the version ordered.
SRM PM9 Origin Track Carbon Power Meter Specs
SRM PM9 Origin Track Carbon Fiber
Location of Power Measurement
Left or Both Legs Measured
Independent Left/Right Measurement
Yes - Power Balance
More involved (60 min. estimated)
Crank Arm Material
ANT+ and Bluetooth SMART
Active Temperature Compensation
Varies based on configuration
Method of Cadence Measurement
24 mm or 30 mm
In the Box
SRM Power Meter (spider, crank arms and spindle)
SRM USB Charger Cable
PC8 Cycling Computer (if purchased)
Handlebar mount (if SRM PC8 is purchased)
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
Common Questions and Answers
Question: How do I determine what length my current cranks are so I can make sure I get the same size?
Your crank arm length should be printed or stamped on the inside of the left crank arm, usually near the pedal end.
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