Lowers for my GT...My latest project

If it shatters at speed, the sharp remnants can cut your face, eyes, neck, perhaps very bad. That is why the windshields are made from specific material that is safe when it breaks.
Lexan/ polycarbonate doesn't shatter. you can cold bend it. I used it with an abrasion resistant coating. I made lowers for the Rocket, and it was night and day better on the highway.
 
If it shatters at speed, the sharp remnants can cut your face, eyes, neck, perhaps very bad. That is why the windshields are made from specific material that is safe when it breaks.
Mine are impact resistant plastic. They are laser cut from a 50% fill plastic and contain with a rubberized agent so they don't shatter and resist breaking.
 
In the U.S., the legal safety framework is FMVSS 205, in 49 CFR § 571.205, which applies to motorcycles and glazing materials used in them. It is not simply “must be polycarbonate”; it is a performance/marking standard tied to ANSI/SAE Z26.1 glazing requirements.

I don't feel you are meeting the standard.
 
I finished my latest and greatest iteration. 3/16" abrasion resistant polycarbonate. These work great. So wind management is done on this bike. Now I just have to point it somewhere and go!! Its a Grand Tourer! (Dont mind the bugs, didn't wash it yet)
 
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Looking good! Are they just clamped on the bottom? How did you make your mounts as the look nice.
 
Looking good! Are they just clamped on the bottom? How did you make your mounts as the look nice.
I bought these lowers from Amazon. I really just wanted the mounts, but they came with the wings/blades. Later I found out you can just buy the mounts. for like $35. I paid like $55 for the whole things. The top of the deflectors are leaning against the turn signal stalks. works good so far. Amazon.com. I just tried to find the "just mounts" they are 66mm I think. I couldn't find them. But maybe with some digging. I bought a 14 mm brad tip bit to cut the holes in the polycarbonate. Amazon.com I used a piece of inner tube to cut a strip to make up the difference on the forks diameter. the inner tube and a couple of electrical tape wraps made it just right. I think the forks are like 59 mm
 
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