MaxSport tires are available in a combination of sizes, compounds and tread patterns to fit your competition vehicle.

All measurements are in millimeters (mm).


RB1

The RB1 tire is engineered for grass and mud. With a reinforced sidewall and open tread pattern, it's a great option for wet and loose surfaces.

Size Sidewall Outside Diameter Rolling Circumference

165/65-14

150

580

1825

185/65-15

155

595

1920

185/65-15

160

630

2000


RB1

The RB1 tire is engineered for grass and mud. With a reinforced sidewall and open tread pattern, it's a great option for wet and loose surfaces.

Size Sidewall Outside Diameter Rolling Circumference

165/65-14

150

580

1825

185/65-15

155

595

1920

185/65-15

160

630

2000


RB3

The RB3 comes in a directional (RB3-D2) and non-directional (RB3F) option. Both are an all purpose gravel and forest tire.

Size Sidewall Outside Diameter Rolling Circumference

175/70-15 D2

180

620

1990

175/65-14

160

590

1870

185/65-15 D2

180

620

1990

195/65-15 D2

190

630

2020

205/60-15

205

630

2014

205/55-16

200

625

2005


RB3

The RB3 comes in a directional (RB3-D2) and non-directional (RB3F) option. Both are an all purpose gravel and forest tire.

Size Sidewall Outside Diameter Rolling Circumference

175/70-15 D2

180

620

1990

175/65-14

160

590

1870

185/65-15 D2

180

620

1990

195/65-15 D2

190

630

2020

205/60-15

205

630

2014

205/55-16

200

625

2005


RB5

The RB5 is designed to maximize rubber to road contact area. This tarmac rally tire that will excel at any track day or hillclimb. These tires are supplied in dry track pattern as standard but can be cut to a wet pattern.

Size Sidewall Overall Diameter Rolling Circumference

185/60-14

170

565

1820

205/55-15

200

600

1915

205/55-16

210

600

1915

225/45-17

225

620

1990

225/40-18

230

620

1990


Compound Guide

The right compound for your tires depends on the general ambient temperature where you compete as well as the weight and power of your car.  

  • Heavy/high horsepower vehicles: We suggest selecting one compound harder than your temperature recommendation.
  • Lightweight/low horsepower vehicles: You may select one compound softer than your temperature recommendation.
Ambient Temperature Recommended Compound

55°F or less

Soft

50°F-70°F

Medium

70°F or higher

Hard


RB5

The RB5 is designed to maximize rubber to road contact area. This tarmac rally tire that will excel at any track day or hillclimb. These tires are supplied in dry track pattern as standard but can be cut to a wet pattern.

Size Sidewall Overall Diameter Rolling Circumference

185/60-14

170

565

1820

205/55-15

200

600

1915

205/55-16

210

600

1915

225/45-17

225

620

1990

225/40-18

230

620

1990


Compound Guide

The right compound for your tires depends on the general ambient temperature where you compete as well as the weight and power of your car.  

  • Heavy/high horsepower vehicles: We suggest selecting one compound harder than your temperature recommendation.
  • Lightweight/low horsepower vehicles: You may select one compound softer than your temperature recommendation.
Ambient Temperature Recommended Compound

55°F or less

Soft

50°F-70°F

Medium

70°F or higher

Hard