VENTUS Z205 (Z205) VENTUS Z205 (Z205) Rally/Tarmac Asymmetric tarmac rally tire for well balanced maximum grip on both dry and wet surface. Sizes & Specs Size Compound Rim Size Overall Diameter (mm) Section Width (mm) Tread Width (mm) Permitted Optimum 180/600R16 T3 6 7 598 200 185 180/600R16 T5 6 7 598 200 185 180/600R16 T7 6 7 598 200 185 180/625R17 T3 6.5 7.5 625 203 185 180/625R17 T5 6.5 7.5 625 203 185 180/625R17 T7 6.5 7.5 625 203 185 210/650R18 T3 7.5 8.5 650 228 215 210/650R18 T5 7.5 8.5 650 228 215 210/650R18 T7 7.5 8.5 650 228 215