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Is it just different chainrings that make the 0x601 work for 10 speed and 901 work for 11 speed? Or is it more complicated?
I've been running an ox601 46x30 crankset in an 11-speed set up for over 4 years now without issues. Good crankset if you can find one, very good shifting and solid enough. If buying second hand try not to get the early recalled model and do tighten them up to correct torque - they had incorrect torque specs early on and did come loose.
Is it just different chainrings that make the 0x601 work for 10 speed and 901 work for 11 speed? Or is it more complicated?
I read somewhere that the internal width of 10 and 11 speed chains was the same but really I have no idea.
@andy_k are you running 11 speed with your Zephyrs?
Ideal world would be 11 speed compatible, 110bcd zephyr outer, 74bcd inner, sub 150mm Q factor, and fully non proprietary. That way I could run 11 speed with DT shifters and use these wheels as spares for my road bike (which has 11 speed Sram).