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Currently, a growing number of entrepreneurs in agriculture prefer radial tires for their distinct advantages. As the demands of contemporary farming changing,tire manufacturers are increasingly developing new radial products instead of traditional bias tires. Conversely, bias tires are mainly favoured due to their relatively lower price and good performance with specific applications. In the following, the main benefits of both technologies are listed and reflected for practical use situations.

Radial tires – excellent roadability, service life and cost efficiency

Owing to their unique construction method, radial tires are highly resistant to cuts and penetrations in the tread area. In case of tire damages, only a minor part of the tire will be affected. Because radial tires have a flatter tread, they distribute weight evenly, and thus, wear less and last longer. They have a consistent contact patch and greater traction, which leads to better driving qualities and comfort. Constructed from independent parts, radialtiress also have a better heat tolerance, which enables them to travel on hard roads, at higher speeds and for longer distances.

End-user benefits:

  • Greater use comfort
  • Improved handling
  • Longer service life
  • Lower fuel consumption
  • Good traction
  • Less soil compaction and damage

Bias tires – strong sidewalls for off-roading

Built with criss-crossplies, the sidewalls of bias tires are strong and cut-resistant. However, any damage in the tread area may lead to wide affections. Because bias tires have interdependent sidewalls and crown, the tread wears faster that that of a radial tire. The thik layer of the overlapped piles leads to less flexibility, and hence, less comfort and smoothness. This also makes the tires more sensitive to overheating. 

However, acknowledging the deficits compared to radial tires, the strong sidewalls and aggressive tread of bias tires make them a tempting choice for many. 

End-user benefits:

  • Tackle rough roads 
  • Can be run at lower pressures
  • Lower supply price

The following table specifies the differences between Radial and Bias tires:

Quality RADIAL BIAS
TRACTION
  • Larger footprint
  • Flatter tread pattern
  • BETTER TRACTION
  • Smaller footprint
  • Aggressive tread pattern
  • MORE SLIP
SOIL COMPACTION
  • Lower inflation pressure
  • More even ground pressure distribution
  • LESS SOIL COMPACTION
  • Higher inflation pressure
  • Uneven ground pressure distribution
  • HIGHER SOIL COMPACTION
ROADABILITY
  • Better handling and use comfort
  • EXCELLENT ROADABILITY
  • Stiff tire and aggressive tread
  • BETTER OFF THAN ON ROAD
ECONOMY
  • Better power transfer
  • Lower fuel consumption
  • Longer service life
  • BETTER COST-EFFICIENCY
  • Loss of engine power
  • Higher fuel consumption
  • More rapid wear
  • HIGHER OPERATIONAL COSTS