I have a set of FSA 386 K-Force Light carbon cranks, and I never liked the way they looked with the painted on red and white stripes.
I recently purchased a lighter weight 42T, 386 sprocket off ebay, from the aluminum version of this crank, to replace the 40T black sprocket, so it gave me an opportunity to lose the funky racing stripes on the crank as well. I used sandpaper to cut through the clearcoat and remove the stripes, and finished with scotchbrite to give it a smooth flat finish. There is still a layer of clearcoat on the cranks, but its been dulled flat by the scotchbrite. This gave me a look that I like better, since I don't really like the red/black combo.
Mtbr's 2016 Winter Biking GearReviews and Roundups
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Thread: Non weight weenie tuning