High safety travel coach tires 255/70R22.5 for new energy buses
Features
This travel coach tire is designed for the all position wheels for the new energy buses which running with intercity and city roads, it has features of enhanced sidewall and carcass, reinforced tire bead and high safety, it is available 4 sizes: 11R22.5, 305/70R22.5, and 255/70R22.5 (16PR and 18PR).
Enhanced sidewall design with more high safety factor promoting, ensures high safety.
The application of ST steel cord to reinforce the strength of carcass, it is ideal tire products for the new energy buses.
Optimized the structure of casing, fiber layer applied in bead area, reinforce the strength of beat, to prevent tire bead cracking.
Specification
Size | Ply | Load | Speed | Standard | Max | New tire inflated | Tube | Operation | ||
Single | Dual | Section | Overall | |||||||
11R22.5 | 16 | 148/145 | J | 8.25 | 3150 | 2900 | 279 | 1054 | TL | ETRTO |
305/70R22.5 | 20 | 152/150 | J(F) | 9.00 | 3550 | 3350 | 305 | 1000 | TL | ETRTO |
275/70R22.5 | 16 | 148/145 | J(E) | 8.25 | 3150 | 2900 | 276 | 958 | TL | ETRTO |
275/70R22.5 | 18 | 150/148 | J(E) | 8.25 | 3350 | 3150 | 276 | 958 | TL | ETRTO |
Speed index
Speed | B | C | D | E | F | G | J | K | L | M | N | P | Q | R |
Km/h | 50 | 60 | 65 | 70 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 | 160 | 170 |
Application
This travel coaches tire of 255/70R22.5 is standard accessory of tire parts for many new energy buses that produced by Golden Dragon Buses, the major coaches and bus manufacturer in China.
With radically developing industry of new energy vehicle, the demand for travel coach tires is varied with past.
About the tire products of the travel coach which powered with fossil fuel, safety factor, comfort ride and economical fuel efficiency are main indexes of the tire. Compared with fuel vehicles, there is several essential difference of the battery-powered coach.
Firstly, the added weight of the battery set of new energy coach is over 2 tons, every tire have to load with more 340 Kg of loaded than that mounted in fuel coach, the tire products of new energy coach have features with high load index.
Secondly, one of another advantage of new energy vehicles with fuel one is its starting–up method which don’t need through the gear-box to accelerate. The new energy vehicles can be shorter time to reach the normal running speed, the wear of starting-up will increase, and he tire bead will bear more friction with wheel rim, which affecting the expectation mileage of tire.
To meet the demands of marketing, the travel coach tires for the new energy buses was designed, its feature of stiff carcass, flexible and reinforced bead, which improving the safety factor, and it also has well performance in the wear resistance.