e*thirteen Helix Core e*spec Chainring 32T TQ HPR50 Direct Mount 55mm Chainline 12mm Offset Shimano/Sram 11/12s Compatible BLK

Helix Core e*spec Direct Mount Chainrings feature a narrow-wide tooth profile for reliable chain retention and an extra long wear life. Helix Core e*spec rings are cold-formed from steel and then heat-treated to provide excellent durability and toughness all at a price that's easy on your wallet.