Rear MX racing rim 19x2.15 7075 al. material T6 Racing bikes, offroad bikes ... from raw aluminium ingot to finished Al. alloy rim products. Material: Extruded from high quality aluminum alloy, 6063, 7116 and 7075 as requestHeat ... like Silver, Black, Red, Blue, Gold, Orange Available sizes: 10", 12", 14", 15", 16", 17", 18", 19", 21" and 23" diameters ...