Drivetrain Oversized Pulley System The Benefits of Oversized Innovation: Enhancing Performance and Durability New SHURIKEN TK1739S2 Zenith Pulley Wheel: Upper 13T, lower 19TRD Compatibility: SHIMANO R9250, R8150 SHURIKEN TK1759XS Zenith Pulley Wheel: Upper 15T, lower 19TRD Compatibility: Road-AXS (excluding XPLR) Red and Force, 33T and 36T versions SHURIKEN TK1729S Zenith Pulley Wheel: Upper 12T, lower 19TRD Compatibility: SHIMANO R9100, R9150(Di2), R8000, R8050(Di2) SHURIKEN TK1739CE Zenith Pulley Wheel: Upper 13T, lower 19TRD Compatibility: CAMPY Super Record EPS 12s Share Share on Facebook Tweet PIN_SHARE Send via email