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duct tape said:
Anyone tried these successfully? I have a Rig and am worried they might rub the chainstay. I am looking to find something in 172 or 170 and options seem limited as well as budget.
I tried them. I had very limited clearance with the shorter 109.5 road BB. I thought about swapping to the 118.5 BB, but I ride a ti bike with a certain amount of flex down there and I was still worried about the minimal clearance.
I was using the stock steel inner ring mounted in the outer spot. You have to do some finnagling to get a spacer (out of a shop junk drawer) that will fit between the ring and the crank for the "not normal" chainring bolt that threads into the back of the arm.
 
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