Oneup Components Dropper Post ShimsOneup is ahead of the game with their Dropper Post Shims. This one-of-a-kind setup lets you custome tune your post to your desired specifications. You can lower and extend travel by as much as 50mm, and do it all tool-free. The lowering option also brings the added benefit of increasing bushing overlap, which is great for heavier riders.Features170mm dropper post adjustable down to 120mm150mm dropper post adjustable down to 100mmManufacturer instructions: Dropper Shim | Oneup Components Dropper Post Shims 3 Pack