Specialites TA 110pcd Zephyr 9/10X 5-Arm Middle/Outers
TA only make their chainrings from the best 7075 T6 heat treated aluminium sheet. The teeth are cut in the traditional manner on a lathe which produces a much better and more accurate tooth form than pressing which is used by most chainring manufacturers.
* Middle rings can be used as inners on a double chainset.
* For specific inner double use you can use CRJ..
* For inner triple ring use TAH..