Anywhere comfortable tire Experience relaxing drive under any road conditions

Anywhere comfortable tire Experience relaxing drive under any road conditions

contents 1. Development Background 2. Features 3. Internal Test Results 4. 2007 Sizes Range

Pattern Design High Performance

1. Development Background 1.1 Concept 1.2 Evolution of Hankook High Performance Tires

1.1_Concept Optimo K415 performs great A special pattern generated through computer simulation is designed for a smooth, safe ride in rain. HGS compound technology empowers outstanding braking capability on wet roads, you with precise handling ability, rain or shine Optimo K415 It is your summer companion for mid-size sedans. Relax and experience driving like it should be in any road conditions

1.2_Evolution of Hankook High Performance Tires 1996 2001 2007

2. Features 2.1 Tread Design 2.2 Compound 2.3 Construction

2.1_Tread Design Wide Center Rib for superior handling and shorter braking distances. Lateral Shoulder Grooves Designed to improve handling on dry roads and reduce then any decline in performance under rainy conditions and ride. 4-Channel-Drainage The optimal width and positioning of the four channel grooves ensure safety on wet roads. Shoulder Rib Block Minimizing vibrations for greater ride comfort and more precise handling.

2.1_Tread Design Ideal Use of Grooves The number and width of the straight grooves are optimized according to the tread width to deliver a superior handling and hydroplaning performance. 4 channels for tires 185 mm and wider 3 channels for tires up to 175 mm wide 175/65R14, 175/65R15 exception

2.1_Tread Design Hydroplaning Resistance The tire contact area on the wet surface is clearly expressed in black, while the blurred parts show where the tire is separated from the road surface by water. The greater the black area, the better water is channeled away. This helps the tire to resist hydroplaning and improve handling and braking performance in wet weather. Optimo K415 (Area: 130.3 mm2) Comparison (80kph) Optimo K406 (Area: 100 mm2)

2.2_Compound HGS (High Grip Silica) Compound Technology HGS increases molecular movement in the tread, which leads to a more flexible adaptation of the tread compound to the road surface. This brings more rubber on the road, resulting in better grip and therefore more safety.

2.2_Compound Special Resin The use of a special resin increases the tire s interaction with the road surface. Migrating resins in the tire s surface ensure maximum stickiness and outstanding grip.

2.3_Construction SCCT Mold Profile The application of our advanced SCCT (Stiffness Control Contour Theory) mold profile delivers uniform contact pressure on the center and shoulder blocks for shorter braking distances. with a former product with a K415 car Optimo K415 Optimo K406 SCCT profile Non-SCCT profile

2.3_Construction New Bead Profile Minimal gap between rim and bead + Even spread of contact pressure = Improved comfort and precise steering Previous profile New profile Gap Uniformity in circumferential Gap

2.3_Construction Optimized footprint through computer simulation Creating the ideal footprint during driving and braking ensures steering stability and even wear. When driving When braking

2.3_Construction Jointless Cap Ply Improving uniformity for a smooth ride and higher durability. Wide, High-Tensile Steel Belts Enhancing tread strength for a more direct steering response and less wear Jointless Bead Wire & High Tensile Modulus Bead Filler Improving high speed stability and ride comfort. Maximizing steering response and durability.

3. Internal Test Results 3.1 Handling Test 3.2 Hydroplaning 3.3 Noise 3.4 Magazine Test Results

3.1_Handling Test High Performance

3.2_Hydroplaning High Performance

3.3_Noise High Performance

3.4_Magazine Test Results Auto Zeitung (Size: 185/60R14H) Rank Tire Company Delivers great performance not only in wet conditions but also in dry ones allows easier handling and cornering -Auto Zeitung (2006. March)- 1 BRIDGESTONE HANKOOK 2 PIRELLI 4 DUNLOP 5 CONTINENTAL 6 GOODYEAR 7 TOYO 8 NOKIAN 9 MICHELIN 10 VREDESTEIN 11 KLEBER 12 KUMHO 13 BARUM

4. 2007 Sizes Range

4.1_2007 Sizes Range Size Ply Rating Sidewall Type Size Ply Rating Sidewall Type Size Ply Rating Sidewall Type 70 65 175/70R13 82H 4 DSB 185/70R13 86H 4 DSB 175/70R14 84H 4 DSB 185/70R14 88H 4 DSB 195/70R14 91H 4 DSB 175/65R14 82H 4 DSB 185/65R14 86H 4 DSB 195/65R14 89H 4 DSB 145/65R15 72H 4 DSB 175/65R15 84H 4 DSB 185/65R15 88H 4 DSB 195/65R15 91H 4 DSB 195/65R15 91V 4 DSB 205/65R15 94H 4 DSB 205/65R15 94V 4 DSB 215/65R15 96H 4 DSB 60 165/60R14 75H 4 DSB 175/60R14 79H 4 DSB 185/60R14 82H 4 DSB 195/60R14 86H 4 DSB 185/60R15 84H 4 DSB 195/60R15 88H 4 DSB 195/60R15 88V 4 DSB 205/60R15 91H 4 DSB 205/60R15 91V 4 DSB 215/60R15 94V 4 DSB 225/60R15 96V 4 DSB 205/60R16 92H 4 DSB 205/60R16 92V 4 DSB 215/60R16 95V 4 DSB 225/60R16 98V 4 DSB 225/60R16 98W 4 DSB 235/60R16 100W 4 DSB 55 65 195/55R15 85H 4 DSB 195/55R16 87H 4 DSB 205/55R16 91H 4 DSB 205/45R16 83V 4 DSB 215/45ZR17 91W XL 4 DSB 225/45R17 91V 4 DSB These sizes are currently under development. * XL : Extra Load * DSB : Diagonal Serrated Band