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.
The SRM PM9 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.
PM9 – This is SRM’s newest version of their power meter which offers new features and functionality including:
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-SRM Carbon | SRM Carbon Composite
Spindle: 24 MM | 30 MM
PC8 Bundle: You get $249 off the standard price of the PC8 when you bundle it with a SRM power meter.
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.
Name | SRM PM9 Origin Track Carbon |
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 | Carbon |
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 | 3 years |
You will need the following tools for installation of this product. You can purchase many of these commonly used tools in our store.
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