Wolf Tooth Components - Wolf Tooth's PowerTrac Elliptical chainrings allow for more power, better traction, and less shifting. Our proprietary design features 10% ovality combined with 112° timing to create an optimal
Wolf Tooth: Elliptical Chainring for eeWings/SRAM Boost Nickel 32T for Shimano HG+ - Silver - 32T
Wolf Tooth adds Oval & 3-Bolt T-Type Chainrings (and a Complete Compatibility Guide) - Bikerumor