I used this:Anyone know of clear protector or if the old Ducati Monster clear protectors work for an 821?
I'm buying a stripe, and I don't care much for the look of the highly visible carbon fiber tank protector along with the offset stripe, as it makes it look like something is off.
Giant Loop Vinyl Protective Film - RevZilla
Works really well. You can cut your own shape, as well as the kit gives you more than enough to experiment and find out which shape is best. I applied mine 6 months ago and it still looks new and fresh, no yellowish hue to it. Make sure to use a credit card to smooth out the bubbles, you can use a small syringe or needle for small bubbles. If you take your time you can get it perfect!