White Brothers is proud to introduce SDG Seats to the MX market! SDG is a known leader in the bicycle seat industry, utilizing years of extensive R&D and manucaturing techniques, SDG is the first manufacturer to offer a high quality, ready to install replacement MX seat at a price you will not belive!Compare the cost for an expensive OEM replacement seat, a seat base, foam and/or seat covers... and add to that, the frustration of installing new foam and/or a replacement seat cover and we are certain you will agree that these seat assemblies are AWESOME!