SRAM X-Sync Steel 94 BCD Chainring - 94 BCD - SRAM - Round - Grey - 30TNow you can have all the technology of SRAM's patented X SYNC chainrings at a ridiculously low pricepoint! Fitting onto any SRAM 94 BCD spider, thes rings provide top technology at a price well under the compeititions "imititaion" narrow wide rings. Weight: 110G for 32T and 96g for the 30T. Being steel, you know they are going to last for ages too!