HD921
HD921

Haida Racing HD921 UMP TYRE

FEATURES AND BENEFITS
Action and fashion, elegance and nobility,
quality racing tyre with unidirectional pattern.
*Summer weather traction
*Precise steering responsiveness
*Fuel efficient drive
*Longer lasting tread life
*Reduced road noise levels
*Rim protectors

OVERVIEW

The Haida Racing HD921 is a performance and high performance, summer tire manufactured for passenger vehicles and SUVs.

The tire has great summer weather traction and it grips the road well in dry and wet weather conditions. This is due to the special tread design that provides constant road contact. The tire's four circumferential tread grooves disperse water from beneath the tire footprint and increase the wet weather traction and the hydroplaning resistance. The tire is not suited for winter weather performance.

The special tread pattern features a solid center rib and strong tread blocks that increase the steering responsiveness. They maintain constant contact between the road and the tire, which upgrades the model's response time and accuracy. The tire is quick and precise in its response to the driver's instructions and it offers excellent road feedback. The better responsiveness and road feedback ensure that the driver can confidently control the tire in summer weather situations.

The tire compound used in the manufacture of the tire reduces its overall weight, which allows it to lessen its rolling resistance. The rolling resistance determines how much energy the vehicle needs to keep the tires in motion. The lowered the rolling resistance lessens the vehicle's fuel consumption and CO2 emissions. The decreased rolling resistance also slows down the tread wear. The tread pattern evenly distributes the driving forces along the tread area, which prevents irregular wear. The tire is usable for a longer period of time as a result and its tread life is increased. This makes the model environmentally conscious and cost and fuel efficient.

The model's wide center grooves and modern tread design are computer optimized to lower the road and pattern noise heard in the vehicle's cabin. The optimized tread's variable sequence pitch cancels the road and pattern noise out the moment it is generated. It is capable of doing that by creating a sound frequency that disrupts the soundwaves and disbands them. The decreased noise levels heard by the passengers makes the driving experience quiet and comfortable.

The Racing HD921's sidewalls are designed in such a way that they guard the rims from accidental curb and other kinds of damage.

HD921 MAIN SIZES AND PARAMETERS
Size Load Index /PR Speed Standard Rim Iiatrbde Secion With (mm) Infotable
Overal
Diaumetor(mm)
Loading Capacity (single/dual) (kg) Intation Pressure (kPa)
185/55R14 80 V 6J 195 560 450 280
185/55R15 86/XL V 6J 194 585 530 320
195/45R15 78 V 6 1/2J 195 557 425 280
195/55R15 89/X V 6J 201 595 580 320
185/50R16 81 V 6J 194 592 462 280
195/45R16 84/XL V 6 1/2J 195 585 500 320
205/50R16 91/XL V 6 1/2J 214 612 615 320
215/55R16 97/XL V 7J 226 642 730 280
215/65R16 102XL H 6 1/2J 221 686 850 320
205/40ZR17 84/XL W 7 1/2J 212 596 500 350
205/45R17 88XL H 7J 206 616 560 340
215/45ZR17 87 W 7J 213 626 545 350
205/50ZR17 93/XL W 6 1/2J 214 638 650 350
215/50ZR17 95/XL W 7.5 226 648 690 350
215/35ZR18 84XL W 7 1/2J 218 607 500 350
225/40ZR18 92/XL W 8J 230 637 560 350
245/40ZR18 97/XL W 8 1/2J 248 653 730 350
225/45ZR18 95/XL W 7 1/2J 225 659 690 350
255/45ZR18 103/XL W 8 1/2J 255 687 875 350
235/35ZR19 91/XL W 8 1/2J 241 647 545 350
245/35ZR19 93/XL W 8 1/2J 248 655 650 350
225/30ZR20 85XL W 8J 230 644 515 350
225/35ZR20 93/XL W 8J 230 666 600 350
245/35ZR20 95/XL W 8 1/2J 248 680 690 350
245/45ZR20 103XL W 8J 243 728 875 340
255/35ZR20 97/XL Y 9J 260 686 730 350
275/40ZR20 106/XL W 9 1/2J 278 728 950 350
275/45ZR20 110/XL W 9J 273 756 1060 350
275/55ZR20 117XL V 8 1/2J 284 810 1285 340
285/50ZR20 116/XL W 9J 297 794 1250 350
225/30ZR22 87XL W 8J 230 695 545 340
235/30ZR22 90XL W 8 1/2J 241 701 600 340
265/35ZR22 102/XL W 9 1/2J 271 745 850 350
265/30ZR22 97XL W 9 1/2J 271 719 730 340
265/40ZR22 106XL W 9 1/2J 271 771 950 340
295/25ZR22 97XL W 10 1/2J 301 707 730 340
245/30ZR22 92/XL W 8 1/2J 248 708 630 350
255/30ZR22 95/XL W 9J 260 713 690 350
305/40ZR22 114/XL W 11J 313 803 1180 350
275/25ZR24 96XL W 10J 283 748 710 340
245/30ZR24 94XL W 8 1/2J 248 758 670 340
255/30ZR24 97/XL W 9J 260 764 730 350
305/35ZR24 112/XL W 11J 313 824 1120 350

Product Details