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SRM PM9 SRAM MTB Power Meter

Josh Matthew June 13, 2024

$1,299.00$1,374.00

Pro-level power meter for your SRAM 3-bolt MTB crankset!

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SRM PM9 SRAM MTB Power Meter

The SRM PM9 SRAM MTB Power Meter is a great way to add power to your SRAM MTB crankset. This spider-based power meter measures power from both legs, is accurate and reliable. In addition, the upgraded PM9 version features improved accuracy, power balance, automatic temperature compensation and Bluetooth SMART.

This power meter is compatible with 3-bolt cranks and fits both boost (52 mm chainline) and standard (49 mm chainline) frames. It’s compatible with 104 BCD round and oval chainrings.

 

Key Product Details

Compatibility:

This SRM fits SRAM direct mount 3-bolt cranksets. Regarding chainrings, it requires a 104 BCD 4-bolt MTB chainring (which is different than the direct mount chainrings found on many SRAM MTB cranksets). If you don’t already have a 104 BCD 4-bolt chainring, you can order one on this page along with the power meter. 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 +/- 1.0%, 100 hours of battery life, rechargeable battery, left/right power balance, ANT+ and Bluetooth compatibility. See Specs tab for more information.

Advice From Our Staff:

We really like this SRAM MTB power meter. SRAM 3-bolt MTB cranksets are very common and this is a great way to add power to them. It measures power from both legs, is accurate and reliable. Having said that, it competes with our power2max and Sigeyi SRAM MTB power meters which are similar power meters, but are more affordable. If you’re an SRM fan, you’ll like this unit. Otherwise, you might give the other options a try as they are also great units and you will save some money.

 

Other Versions to Consider

SRM SRAM MTB 8-Bolt: We also have the SRM SRAM 8-Bolt MTB Power Meter which fits SRAM 8-bolt MTB cranksets. Please contact us if you are not sure which version you need.

Compatibility

Crankset: The SRM SRAM XX1 MTB Power Meter fits SRAM direct mount 3-bolt cranksets. In order for this power meter to fit, you must ensure your SRAM uses this interface. Please see the image below.

SRAM 3-bolt Interface on MTB crankset

Chainrings: This power meter requires a 104 BCD 4-bolt MTB chainring (which is different than the direct mount chainrings found on many SRAM MTB cranksets). If you don't already have a 4-bolt chainring, you can order one on this page along with the power meter. If you purchase a new chainring, we will bolt it on to your power meter before shipping, which will make installation that much easier when you get it.

SRM PM9 SRAM MTB Specs

NameSRM PM9 SRAM MTB Power Meter
Bike TypeMTB
Location of Power MeasurementSpider
Left or Both Legs MeasuredBoth
Independent Left/Right MeasurementPower Balance
InstallationMore involved (60 min. estimated)
Chainring Configuration1X
Speeds11- or 12-speed
Chainline SpacingBoost or Standard
Communication ProtocolANT+, Bluetooth
Claimed Accuracy+/- 1.0%
Active Temperature CompensationYes
Weight114 grams
Battery TypeRechargeable
Battery Life100 hours
Method of Cadence MeasurementAccelerometer
BCD104 mm 4-bolt
Q Factor145.5 mm
Warranty2 years

In the Box

  • SRM Power Meter
  • Chainring (if purchased)
  • SRM USB Charger Cable

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.

  • 8 mm Allen key
  • T25 Torx bit

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: What's the difference between this power meter and the power2max SRAM MTB?

  • Both SRM and power2max make a similar 3-bolt power meter spider for SRAM MTB cranksets. They both offer their power meter in two different versions. Please see this article for more information: power2max SRAM vs. SRM SRAM MTB Power Meter.
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