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SRM PM9 Origin Track Aluminum Power Meter

Josh Matthew May 23, 2024

$1,699.00$1,749.00

The SRM Origin with aluminum crank arms and a new, lower price!

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SRM PM9 Origin Track Aluminum Power Meter

The SRM PM9 Origin Track Aluminum Power Meter adds another option for riders that want to take advantage of the best SRM has to offer. With the Origin Aluminum, you get the accuracy, consistency and durability SRM is known for, but at a price below that of the carbon version.

In addition, if you’re looking to run shorter crank arm lengths, the Origin Aluminum has you covered! While the Carbon version has 170, 172.5 and 175 mm options, with the Aluminum you also have options of 160 and 165 mm. The Origin also offers near limitless compatibility with exchangeable 30 and 24 mm spindles, which means it can be used on virtually any frame on the market.

 

Key Product Details

Compatibility:

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.

Power Measurement:

This SRM power meter measures power at the spider and is therefore able to measure power from both legs.

Key Features:

Dual-leg power measurement, accurate to within +/- 1.0%, 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:

With this power meter you get the upgraded PM9 track spider and the aluminum arms bring the price down by $250 over the carbon version. If weight isn’t a major focus for you on your track bike, then this power meter is a solid option. 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

Crank Arms:

The SRM Aluminum crank arms are available in the following sizes:

  • 160 mm | 165 mm | 167.5 mm | 170 mm | 172.5 mm | 175 mm

Spindle:

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

PC8 Bundle:

While not listed as an option above, you can bundle your SRM 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.

Compatibility

Chainrings: The SRM Track Aluminum 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 PM9 Origin Track Aluminum Specs

NameSRM PM9 Origin Track Aluminum
Bike TypeTrack
Location of Power MeasurementSpider
Left or Both Legs MeasuredBoth
Independent Left/Right MeasurementYes - Power Balance
InstallationMore involved (60 min. estimated)
Crank Arm MaterialAluminum
Communication ProtocolANT+ and Bluetooth SMART
Claimed Accuracy+/- 1.0%
Active Temperature CompensationYes
WeightVaries based on configuration
Battery TypeRechargeable
Battery Life100 hours
Method of Cadence MeasurementAccelerometer
BCD144 5-bolt
Spindle Size24 mm or 30 mm
Q Factor145.5 mm
Warranty2 years

In the Box

  • SRM Power Meter (spider, crank arms and spindle)
  • SRM USB Charger Cable
  • SRM 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: Can my SRM PM9 power meter store ride data?

  • Yes! The SRM PM9 Power Meter is capable of having rides, torque data, heart rate and core body temperature stored on the circuit board and downloaded to a .fit file. For more information please see our FAQ: Can my SRM PM9 power meter store ride data?

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.

End of crank arm showing crank arm length

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