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SRAM XX Eagle AXS Transmission Power Meter Spider 
SRAM XX SL Eagle Transmission Thread Mount Chainring 
SRAM X0 Eagle Transmission Direct Mount Chainring 
SRAM XX SL Eagle Transmission Direct Mount Chainring SRAM XX SL, XX and X0 Eagle Transmission (T-Type) Cranksets are available in different Q-Factors (168 mm and 174 mm). The chainrings that fit these cranks come in both 0 mm and 3 mm offsets in order to fit both Boost (52 mm chainline) and Wide (55 mm chainline) bikes. Therefore, you need to be sure you order the correct chainring offset based on your cranks’ Q-Factor as well as your chainline. So we put together the following information to make it as easy as possible!
How to Determine Your Chainring Offset
For 168 mm Q-Factor cranks:
- If your bike has a 52 mm chainline, you need a 3 mm offset chainring
- If your bike has a 55 mm chainline, you need a 0 mm offset chainring
For 174 mm (Wide) Q-Factor cranks:
- If your bike has a 52 mm chainline, unfortunately this crankset will not work with your bike and you would need a 168 mm version
- If your bike has a 55 mm chainline, you need a 3 mm offset chainring
How to Determine Your Q-Factor
If you have the SRAM X0 Eagle Transmission Crankset or the SRAM XX Eagle Transmission Crankset (Non-SL Version), your Q-Factor is 174 mm.
If you have the SRAM XX Eagle SL Transmission Crankset, your Q-Factor could either be 168 mm or 174 mm. If you are not sure what it is, we suggest sending us your SRAM part number (serial number) and we would be happy to let you know what your Q-Factor is. You can find the part number on the inside of the drive side crank arm.
Hi, my serial number on my XX SL crankset is 17T32711457, FC-XX-SL-D, 170mm crank arm. What’s the Q factor and how do I figure out the chainline? The bike is a 2023 Pivot Mach4 SL.
Thank you!
Hi! I just followed up with you in the email you sent in and we’ll have some nice options for you once I hear back from SRAM regarding your XX SL crankset’s Q Factor.
Thanks,
Hi. Wondering if you could help me work out which version I have please, my serial number is 09T31719068, FC-XX-SLP-D1. Thank you.
Hi and thanks for the question. Your crankset is the 174 mm Q Factor. So the below chart will apply:
For 168 mm Q-Factor cranks:
If your bike has a 52 mm chainline, you need a 3 mm offset chainring
If your bike has a 55 mm chainline, you need a 0 mm offset chainring
For 174 mm (Wide) Q-Factor cranks:
If your bike has a 52 mm chainline, unfortunately this crankset will not work with your bike and you would need a 168 mm version
If your bike has a 55 mm chainline, you need a 3 mm offset chainring
Thanks,
Hi. I struggling to identify the Q-factor on my T-type XX SL powermeter crankset. Nothing comes up on the Sram serial number lookup. Can you help me identify what it is so I can purchase the correct chainring/offset.
FC-XX-SLP-D1
03T30997664
Thank you so much.
Todd
Hi Todd,
Your XX SL crankset is the 174 Q Factor version. Please see the below chart for compatible chainring offset:
For 168 mm Q-Factor cranks:
If your bike has a 52 mm chainline, you need a 3 mm offset chainring
If your bike has a 55 mm chainline, you need a 0 mm offset chainring
For 174 mm (Wide) Q-Factor cranks:
If your bike has a 52 mm chainline, unfortunately this crankset will not work with your bike and you would need a 168 mm version
If your bike has a 55 mm chainline, you need a 3 mm offset chainring
Thanks,
What is the Q factor on my xx sl crankset?
03730952467
FC-XX-SLP- D1
Hi Andrew and thanks for the question. Your XX SL crankset is 174 Q Factor.
Thanks,
Thanks for the great information. I have not been able to find this amount of detail anywhere else. I have an SRAM XX SL Transmission crankset and would like to know the Q factor. The serial number is 22T33291997, C-XX-SLP-D1. Thank you for your time. The cranks are 165 mm. Matt
Hi Matt and thanks for the question. Your crankset has a 168 Q Factor. Please see the below chart for compatible chainring offset.
For 168 mm Q-Factor cranks:
If your bike has a 52 mm chainline, you need a 3 mm offset chainring
If your bike has a 55 mm chainline, you need a 0 mm offset chainring
For 174 mm (Wide) Q-Factor cranks:
If your bike has a 52 mm chainline, unfortunately this crankset will not work with your bike and you would need a 168 mm version
If your bike has a 55 mm chainline, you need a 3 mm offset chainring
Thanks,