Original Cannondale Lefty cable guide band clamps. This set of 4 includes two 41mm clamps, one 43mm clamp, and one 45mm clamp. Each clamp includes a screw and nylon locking nut.The following forks take the following clamps. You can double check the clamp size you are replacing by referencing the size molded into the clamp itself.Lefty Olaf - 45mm upper, 43mm lower Lefty Super Max - 45mm upper, 43mm lower Lefty 2.0 - 43mm upper, 41mm lower Lefty Oliver - 41mm upper, 41mm lower Lefty 1.0 Hybrid - 41mm upper, 41mm lower