Cold formed and heat-treated steel provides excellent durability and toughness
Adjustable chainline offset (13.5–15.5 mm) adapts to various chainline requirements
Compatible with SRAM T-Type, Shimano, Bosch CX/SX, and CX Gen4/Gen5 motor systems
Economical price point for high-performance steel construction
Summarized by Shop
Helix 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.
Long-lasting and economical steel con
Material
Steel
Tooth Profile
M3, M5, or M5.5 (varies by model)
Chainline Offset
Adjustable 13.5–15.5 mm (53 mm), 15.5–17.5 mm (55 mm), 17.5–19.5 mm (57 mm)