The Lowering Links are made of steel. The Lowering Links reduce the seat height, providing increased high speed stability. The lowering links are infinitely adjustable between stock height and a 4 inch drop, which can make you ride with more confidence. No need to remove bolts and disassemble the rear suspension every time you raise or lower your bike. The package includes 1 set of Lower Link. Aftermarket fit for Honda CRF300L 2021-2025,CRF300L Rally 2021-2025.