1 1/4" Black Frame Mounted Highway Mounts & Pegs - Frontiercycle (Free U.S. Shipping) Fit all Harley models with 1  frames - XL Sportsters through 2003 (except Custom), FX Softail models, FLS Rocker, Duece, Deluxe, Cross Bones, Fat Boy Softail models. These mounts will also work on any motorcycle with a 1 1/4" frame, and fit all models without engine guards. The arms mount directly to the front frame down tubes. The mounts allow for an 8 range of motion; 4 forward or 4 backwards from the center line of the frame tubes, to fit any leg length, making it easy to adjust to your riding style and provide maximum comfort. The arm and peg have a combined length of 13, clamp securely to the frame and they will not slip. Includes anti-vibration pegs with RIVCOs exclusive angle adjustment locking set screws. CNC machined from billet aluminum and triple chrome-plated, they also include all stainless steel hardware. To calculate the diameter easily, wrap a dollar bill around the frame tube, make a pencil mark where the bill overlaps, remove and measure the length between the marks. A 3 1/2" measurement will be the 1 1/8" size, the 4" will be the 1 1/4" size and the 4 11/16" will be the 1 1/2" size