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I bought a pair of these cranks when an offer at CRC meant the "Oooh, shiny" outweighed the fear of nonstandard chainrings. Now I'm finding myself riding my XC bike more and more, I'm considering joining the modern world and going 1 x on it, so I'm after a narrow-wide 94mm BCD chainring. Sram seem to have adopted the 94mm spacing now so they're reasonably common. However on my cranks, the rings are shaped around the arms, as you can see here from when STW reported on their launch.
While it's not a huge problem if I need to take a file to a replacement chainring, I thought I'd asked here in case anyone has any words of wisdom or has otherwise been there, done that before me?
Thanks in advance.
Bump for the daytime crowd. I know they weren't common, but surprised if no one else has a pair of these and wanted to replace chainrings.
I wonder why they were on offer?
I have a feeling that they had importer issues around that time, and it was about the time that 1x was starting to take off, so they were looking distinctly unfashionable.
I suspect it's more to do with the esoteric chainring design. I guess you could trace the cut out shape onto a replacement and file it away if you're confident enough in your crafting skills.
The other thing to bear in mind if you're going 1x is that most people put the new chainring in the middle ring position on a triple so you might want to check chainline will be ok in the larger cassette cogs if you're replacing the outer ring.
I'm not even sure if that will be necessary, I think the bit around the bolt hole is the same as a regular chainring, but I don't have anything else with 94mm BCD rings to swap.
Thanks, @wwaswas, I was planning to make a fairly basic chainline correction just by moving the spacers all to the LHS of the BB shell, which I think should do the trick.
Could you rotate the ring 180 degrees and see if the regular shaped tabs would fit?