E13 e*spec Steel Direct Mount Chainring 34T Bosch CX Gen4 CL 53/55 via Spacer Black

40,40

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... Read more