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To take a common example, 195/55R16 would mean that the nominal width of the tire is approximately 195 mm at the widest point, the height of the side-wall of the tire is 55% of the width (107 mm in this example) and that the tire fits 16-inch-diameter (410 mm) rims. The code gives a direct calculation of the theoretical diameter of the tire.
A cross-section of a tire. Number 12 indicates the radial ply. Numbers 14 and 16 are bias plies. A radial tire (more properly, a radial-ply tire) is a particular design of vehicular tire.
Force variation axes. Tire forces are divided into three axes: radial, lateral, and tangential (or fore-aft). The radial axis runs from the tire center toward the tread, and is the vertical axis running from the roadway through the tire center toward the vehicle.
The car utilises Pirelli P Zero tyres having codes of 255/35 ZR 19 for the front and 335/30 ZR 20 for the rear. The brakes have ventilated ceramic composite discs, with a diameter of 420 mm (16.5 in) each and utilising six-piston aluminium callipers at the front and rear.
Tyre is the oldest spelling, [5] and both tyre and tire were used during the 15th and 16th centuries. During the 17th and 18th centuries, tire became more common in print. The spelling tyre did not reappear until the 1840s when the English began shrink-fitting railway car wheels with malleable iron.
In 2011 it was the tenth largest tyre maker in the world, with $4.26 billion worth of sales. [2] Hangzhou Zhongce manufactures a variety of tyres for cars, trucks, motorcycles, scooters, bicycles, tractors, ATVs and other vehicles. Tyre brands produced by the company include Chaoyang, [3] Goodride, [4] Westlake, [5] Arisun [6] and Trazano. [7]
Among these similarities are: engine (3.7L twin-turbo flat-six), transmissions (6-speed sequential manual and 7-speed PDK), suspension (MacPherson strut front and multi-link rear), wheels, tyres and brakes (255/35 ZR 19 for the front, 335/30 ZR 20 for the rear, 380mm carbon ceramic discs), weight (1,377 kg for the CTR3 and 1,380 kg for the ...
Low rolling resistance tires are designed to reduce the energy loss as a tire rolls, decreasing the required rolling effort — and in the case of automotive applications, improving vehicle fuel efficiency as approximately 5–15% of the fuel consumed by a typical gas car may be used to overcome rolling resistance.