It's just the crank arms so I don't think 10spd or 11spd is relevant, although get that double checked because I'm not sure. I have no idea what the BCD. I cannot find the chainrings or on the crank arms anywhere. I'm assuming 130.
The rings 11/10s difference has been shown to not matter. However, there are ultegra 6800 crank arms. The only rings thay shimano makes for them are 11 speed. Also, the bcd is sort of irrelevant in this case. These cranks use a 110 bcd shimano 4 arm design. Normal 5 arm rings will not work. You need to use dura ace 9000/ultegra 6800/105 5800 rings or another manufacturer that makes a 4 arm design.
Hope thay helps clear the confusion you are seeing.
If anyone wants some 50/34 rings for this, hit my up seperately.
Thanks for the info! Hope this clears up info that I'm not familiar with. I just checked the chainrings and it says 11spd, but I ran it just fine with 10spd. but again, this is not important. I'm not selling the chainrings. just the arms.
Thanks for the info! Hope this clears up info that I'm not familiar with. I just checked the chainrings and it says 11spd, but I ran it just fine with 10spd. but again, this is not important. I'm not selling the chainrings. just the arms.
You still need to tell people if its a (com[act) 110 or (standard) 130 BDC crank. Do you have the 10sp rings you had on them? What is the gear ratio? Is the big ring a 53 or 50?