HRE S101 3 piece forged wheel in charcoal with polished outer lip on the C7 RS6 which HRE Wheels kindly did for us.
The S101 is from HRE’s S1 series and key features are
Lifetime Limited Structural Warranty and 2 Year Finish Warranty
Modular 3-Piece
Lightweight designs for performance cars, coupes and saloon.
Aerospace-grade 6061-T6 forged aluminium for high strength-to-weight ratio
Lightweight titanium assembly bolts optional
Engineered to minimise unsprung mass and rotational inertia for maximum performance and handling
CNC machined to custom specifications for your specific application
OE TPMS and bolt hardware compatible for ease of installation
Unsprung mass and rotational inertia is something to consider when buying wheels on high powered cars, and you can get a good understanding by watching this video here.
https://www.youtube.com/watch?v=-3FDthcLieE[
