e*thirteen Helix Core e*spec Chainring SCV Carve your perfect line with

Carve your perfect line with the iconic Campagnolo G3 lacing and all-new C23 rims

for everybody

Even on the hottest rides

Includes Solo Air and damper seals and hardware

who when asked what kind of riding we do

e*thirteen Helix Core e*spec Chainring SCV Carve your perfect line withHelix Core e*spec Direct Mount Chainrings feature our 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. Features Long lasting and economical steel construction. M4 narrow wide tooth profile for excellent chain retention and Shimano SRAM drivetrain