oh, yeah from that perspective, no problems
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A quick bit of advice needed please, Iām Looking to get my first power meter for my MTB and just want to check a couple of items.
Iām runnng X01 Eagle, DUB bottom bracket and boost spacing: I can identify the Quarq spider needed but what about chainrings? Will and 104 chainring work or do I need a special offset?
The offset is built in to the powermeter spindle. So standard 104mm chainrings is the way to go.
Awesome thanks. 
I didnāt think quark made a power meter that would fit X01 cranks? I bought the P2M NGeco for mine.
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Errrr, you may be correct. (after double checking)
I have X01 on DUB bottom bracet with the correct 8 hole mounting. The SRAM website states āXX1 on DUB bottom bracketā
Yeah, I had to buy the spider PM and cranks all from Quarq even though I had a new XX1 crankset already on my bike. It was a $1100 investment, but itās been bomb proof for 2 years now.
Just to circle back for others. X01 cranks use 3 bolt mounting. XX1 use 8 bolt, despite both using DUB bottom brackets.
Quarq will only fit XX1 cranks and not X01. Therefore my choice is either switch to XX1 Cranks with Quarq or use P2M NGeco