[jnr_seahorse]

Can somebody please confirm which headset I need to order for my new ARC Carbon frameset?

Cane Creek 40 Zero Stack? ZS40

Also what is the smallest rear disc diameter?

Thank you!

 

[melibokus]

The headset I used was the Chris King I2 44/56 ZS Tapered, not sure of the Cane Creek equivalent. I believe the only size rotor you can run on the rear is 160mm (it also says this on the Yeti specs). The caliper is directly mounted to the frame without room for additional hardware so can't see how to fit a smaller or larger rotor in that area. I run 160/180 but could probably get away with 160/160 on this bike. I have the Medium (29er), don't know if the S/XS frames are different.

 

[savechief]

Headset Fit Finder | Cane Creek Cycling Components

Upper = ZS44/28.6
Lower = ZS56/40

The very bottom, right one in the Complete Headsets section:
40-Series

This one:
Universal Cycles -- Cane Creek 40 ZS44/ZS56/40 Tapered Headset - Fits 1.5" Tapered Forks

 

[jnr_seahorse]

Thanks guys for the detailed replies.
Just need to get these last few items ordered - frame should be with me in a few days! I'm like a kid waiting for Christmas!