If maximum grip is the keyword and combination of good roll centre position

While all GenV Wastegates including a Ceramic isolator between the body and the actuaot to ensure the least possible heat transfer occurs (for maximum life)

lock-stopper

better feedback from the chassis to the driver

7kg and at the same time can hold 5-6G of load peak at tire contact patch on 1100kg car

JR Wheels JR39 18x9,5 ET15-35 5H BLANK Glossy Black w/Machined Lip CB: 72,6 wisefab If maximum grip is thePCD: 5x100, 5x105, 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120 ET: 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35