Direct Mount FlatTop Chainring Teeth: 40 - Aluminum - Black RR21DM40TFLT12BLK
SRAM FlatTop compatible direct mount rings. CHAINRING COMP.Sram Flattop. PRIMARY COLORBlack. PART TYPEBike / Ebikes. NARROW-WIDE DESIGNYes. MANUFACTURER PART NUMBERRr21dm40tflt12blk.