The new Triumph Speed 400 is a popular bike in many parts of the world, and I’m sure that a number of riders would like a windscreen.
The Bonneville T100 windscreen fits perfectly to a Triumph Speed 400. The only modification needed is 10-12 mm longer M8 screws for the handlebar

Easy to replace the old windshield, perfect condition and perfect fit. Well wrapped for shipment

The Madstad windshield performs as advertised. With the screen in the tallest position wind turbulence is minimal even on the highway behind traffic. The install took some time to get it right. The metal support base needed contouring to fit the attachments and the 6M fasteners used to attach the brackets to the base were not included in my kit. One quick trip to the hardware store for some stainless steel replacements and the job was done. The Madstad wind shield is the best I have tried so far on the f800.

This is the third windscreen I've tried to reduce the buffeting at highway speeds. The stock windscreen was useless and the Yamaha touring screen, although an improvement, was still allowing more turbulence then I desired. Purchased the Madstad after recommendations from a fellow rider and took advantage of a 20% discount. Immediate improvement! Althoug the screen is unremarkable in its design, (looks like an old Vespa screen), with the winglets installed it prevents buffeting! I am 74 inches tall and sit tall in the saddle. I ordered the tallest screen.

I installed the adjustable windshield on my wife's Royal Enfield INT650 and she loves it. It was very easy to install and adjust.

I gave it 4-stars because some of the mounting screws were too long. A couple of the holes on the INT650's triple clamps were blind holes, and the bolts supplied bottomed out. I had to get new bolts that were a bit longer than stock, but not as long as the ones in the kit.