... : Extruded from high quality aluminum alloy, 6063, 7116 and 7075 as request Heat treatment: Three stage heat treatment for ... material and raw rims with T4, T6, and T7 Appearance: Anodizing color like Silver, ... ", 12", 14", 15", 16", 17", 18", 19", 21" and 23" diameters; 1.20, 1.40, 1.60, 1.85 ... widths Assembly: Used with OEM hubs, spokes& nipples and Prowel available Parts