Sram Rival D1 DUB 172x48/35 DUB crankset blackSRAM Rival AXS Crankset 172. 5mm 12 Speed 48 35t 107 BCD DUB Spindle Interface Black D1. The SRAM Rival AXS Crankset is designed to handle whatever you can throw at it. Polished aluminum crankarms in a wide range of lengths and the DUB bottom bracket system mean the Rival crankset will keep spinning no matter what. A tight and consistent 13 tooth gap between chainrings makes for accurate and dependable shifting. X Range gearing technology gives you