RR 411 The best profile for the lightest of our welded alloy wheels! The RR 411 combines the best of alloys and wheel profiles. From the moment the alloy is melted to the secret surface treatment, its design has a single goal: to bring out the very best in this remarkable metal—aluminum. The result: a very lightweight, very strong, and very stylish wheel. The RR 411 is available in both symmetrical and asymmetrical profiles.