SRM PM9 Origin Track Aluminum Power Meter
Josh Matthew August 18, 2025$1,699.00 – $1,749.00Price range: $1,699.00 through $1,749.00
SRM aluminum track power meter for 24 and 30 mm bottom brackets
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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
Name | SRM PM9 Origin Track Aluminum |
Bike Type | Track |
Location of Power Measurement | Spider |
Left or Both Legs Measured | Both |
Independent Left/Right Measurement | Yes - Power Balance |
Installation | More involved (60 min. estimated) |
Crank Arm Material | Aluminum |
Communication Protocol | ANT+ and Bluetooth SMART |
Claimed Accuracy | +/- 1.0% |
Active Temperature Compensation | Yes |
Weight | Varies based on configuration |
Battery Type | Rechargeable |
Battery Life | 100 hours |
Method of Cadence Measurement | Accelerometer |
BCD | 144 5-bolt |
Spindle Size | 24 mm or 30 mm |
Q Factor | 145.5 mm |
Warranty | 2 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.
Q&A
Have a question about this? Ask the staff.
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