130BCD (5-bolt HOLLOW) 2X Sprocket Round Road Bike Foldable Bicycle 11-12 speed Gravel bike

Model 53T or 54T or 56T  Colour Black or Sillver Made from 7075-T651  Surface coating Anodizing Made with CNC milling  Origin CHINA Chainring shape ROUND Compatible cranksets REX 1.1/REX 2.1/3D+XC2/3DF XC2                                  (R-Hawk&R-Raptor interface cannot be used) Weight, grams 143g (53T), 146g (54T),167g (56T), Chain compatibility 11/12/ ordinary chain   Bicycle shop or dealer contact customer service