These unique travel adjust shims allow you to custom tune your OneUp Components V3 dropper post by lowering the travel and extended length of your post by either 10mm or 20mm Drop tuning can be done on-bike, tool free and without removing the saddle or touching a shock pump Lowering the post travel also increases bushing overlap and alignment pin length, which is great for heavier riders TECH SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Model V3 Description Dropper Post Travel Pin Kit