TA Zephyr 110-pcd 9/10-speed 5-arm Middle/Outer Chainring

TA chainrings are manufactured 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, a method used by most chainring manufacturers.Features: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.