Sram chainring set rival axs crankset rival axs 30 43t 172.5mm

2-speed, DUB, without bottom bracket, black 12-speed compatible, aluminum crank, aluminum chainrings Number of chainrings 2 Article type Color designation black Main color black Large chainring 43 T. Small chainring 30 T. Chainline 47.5 mm Crank length 172.50 mm Bolt circle 94 mm System compatibility 12-speed Variation Groupset