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I have a SRAM XX1 MTB crankset. What power meter can I use?

There are several power meters that will work on a SRAM XX1 MTB crankset:

 

Left Crank Arm Power Meter

Stages Carbon GXP for SRAM MTB Power Meter

If your SRAM XX1 crankset uses the GXP standard, you can install the Stages GXP for SRAM Power Meter. This power meter replaces your left side crank arm and measures left leg power. It is made to work SRAM 1x and 2x GXP mountain cranks.

Stages Carbon GXP for SRAM MTB Power Meter

Stages Carbon GXP for SRAM MTB Power Meter

 

Stages Carbon for SRAM BB30 Power Meter

If your SRAM XX1 crankset is BB30 or DUB, you can install the Stages SRAM BB30 Power Meter. Please note you must also purchase a Stages spindle along with the power meter:

Spindle C: SRAM MTB BB30 with 9 mm drive side spacer
Spindle D: SRAM MTB BB30 with 15.5 mm drive side spacer
Spindle G: SRAM MTB DUB cranksets

Stages Carbon for SRAM BB30 Power Meter

Stages Carbon for SRAM BB30 Power Meter

Please note, these power meters attach a sensor to the inside of the left crank arm. On some bikes, there is not enough room between the left crank arm and the chainstay for the sensor to clear the frame. Therefore, you should make sure you have at least 10 mm of clearance for Stages power meters. Also, please make sure that you don’t have a bottom bracket mounted rear brake (used on some aero and TT bikes). Please refer to the image below.

The clearance between the frame and left side power meter crank arm

Pros: Affordable, easy to install, don’t have to change crankset
Cons: Measures left leg power only

 

XX1 Spider Power Meters

power2max NGeco SRAM MTB Power Meter

The power2max NGeco SRAM MTB Power Meter is one of our go to power meters for MTB. It’s a superb power meter in that it’s accurate, extremely durable, measures the power from both legs, is reasonably priced and allows you to keep your current SRAM crankset.

power2max NGeco SRAM MTB Power Meter

power2max NGeco SRAM MTB Power Meter

In order for it to fit, you need to ensure you have a direct mount SRAM crankset or a modular SRAM crankset that uses the 3-bolt interface. Please see the image below.

SRAM 3-bolt Interface on MTB crankset

Please note, the power2max uses a 104 BCD chainring configuration. So you will need a power2max compatible MTB chainring as well.

 

SRM SRAM XX1 MTB Power Meter

Like the power2max above, the SRM SRAM Power Meter is a spider-based power meter that fits SRAM MTB cranksets that use the 3-bolt interface (pictured above). The SRM is available in both standard and Boost configurations, features +/- 1.0% accuracy, a 3-year warranty and can fit rings as small as 30T.

This power meter uses a 104 BCD chainring configuration. So you will need a compatible chainring to use with it.

SRM SRAM XX1 MTB Power Meter

SRM SRAM XX1 MTB Power Meter

 

Quarq SRAM XX1 Eagle DUB Power Meter

The Quarq SRAM XX1 Eagle DUB Power Meter works with SRAM XX1 Eagle DUB 8-bolt cranksets. So if your SRAM XX1 MTB crankset uses the 8-bolt pattern, this would be the power meter spider that would fit.

However, if you have the 3-bolt crankset (which is more likely as most bikes come with the 3-bolt version), in addition to buying the Quarq XX1 Power Meter, you would also need to buy the new 8-bolt cranks to fit the power meter (you will see an option on our product page to add the 8-bolt cranks to your order).

Since the 8-bolt cranks use the DUB interface, you would need to install a SRAM DUB MTB bottom bracket on your bike if you don’t already have one. In addition, this power meter uses a 104 BCD chainring configuration. So you will need a SRAM X-SYNC 2 12-Speed Chainring as well. These can be purchased on the same product page as your power meter.

This is also a great power meter. It’s accurate, durable, measures the power from both legs and is reasonably priced.

Quarq SRAM XX1 Eagle DUB Power Meter

Quarq SRAM XX1 Eagle DUB Power Meter

Pros: Moderately priced (with the exception of the SRM which is pricey), VERY reliable, don’t have to change crankset in most cases, measures both legs
Cons: None

 

Power Meter Pedals

MTB power meter pedals can be installed on any MTB crankset. We have both the Garmin Rally XC and the SRM X-Power.

Pros: Easy to install, works on any bike, can move from bike to bike, don’t have to change crankset
Cons: None

Power Meter City

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