Keiser media holder uk. EASY Returns & Exchange. The Keiser M3i Cycle Media Holder is a sleek and practical accessory designed specifically for gym and training equipment. I then print them, mount them on my Keiser media holder, and follow along for 60 or 90 minutes. Versatility: Easily transferable to a new Keiser bike if you upgrade in the future. THE ADVANCING STANDARD The M3i is the culmination of over a decade of refinement of the M3 and hundreds of changes, from mastering the flow of sweat around the bike and better corrosion resistance, to a power meter so accurate that it was the first Indoor Cycling Bike to pass the EN957-10 European Standard for accuracy and safety. Transport wheels for ease of transport. Media tray which fits the Keiser m3i and m3+ equipped with the m3i handlebar. Four-way adjustable seat. So the ride data gets uploaded eventually and you can track TSS and whatever else you want to track. No screws needed, just slide the holder into place and you are good to go.