Description - CNC sprocket machined in Aluminum 7075 T6 - Standard thread 1.37 "x 24t compatible with most rear hubs - Wide base of 12mm - 2mm teeth in central arrangement for a better drive transmission. - Compatible with 1/8 "and 3/32" chains. Material - Aluminum 7075-T6 Sizes - 15 teeth - Total width: 12mm - Tooth width: 2mm - Thread 1.37 "x24T Finish - Red anodized Weight - 25g