18" Radial slick

18" Radial slick

Slick tyres come in a combination of:

  • Compound variations from ultra soft for hillclimb to hard for endurance circuit racing
  • Construction materials such as nylon, steel and kevlar

A range of compound and construction options are available for each of the moulded wet tyre sizes listed, each identified by a unique specification number.
To find out which specification and/or size of tyre is most appropriate for your needs, please contact you nearest dealer for advice.

Tyre size
Rim choice
Rim used
Measured at
Diameter
Section
Tread
Revolutions
Tread patterns
PSI
Bar
Ins
mm
Ins
mm
Ins
mm
Miles
km
210/640R18
7.0 - 8.5
8.00
29
2
25.50
648
8.94
227
8.39
213
791
491
view
225/640R18
8.0 - 9.0
9.00
29
2
25.50
648
10.10
257
8.80
226
790
491
view
240/640R18
8.5 - 9.5
9.00
29
2
25.40
645
10.80
274
9.40
239
794
493
view
250/640R18
9.5 - 10.5
10.00
29
2
25.40
645
11.20
284
9.90
251
794
493
view
335/645R18
12.5 - 13.5
12.00
29
2
25.75
654
13.30
338
13.00
330
783
487
view
270/650R18
10.0 - 11.0
11.00
29
2
25.80
656
11.90
302
10.70
272
782
486
view
300/650R18
11.0 - 12.5
12.00
29
2
25.70
653
13.00
329
12.00
304
785
488
view
270/680R18
10.5 - 11.5
11.00
29
2
26.90
683
11.75
298
10.25
260
750
466
view
285/680R18
11.0 - 12.0
11.00
29
2
27.00
685
11.90
302
11.00
279
747
464
view
300/680R18
12.0 - 13.0
12.00
29
2
26.85
682
13.00
330
12.00
305
751
467
view
280/705R18
11.0 - 12.0
11.00
29
2
27.80
706
12.10
307
10.85
276
725
451
view
320/705R18
13.0 - 14.0
13.00
29
2
27.80
706
13.85
352
12.55
319
725
451
view
365/720R18
14.5 - 16.0
14.50
29
2
28.39
721
15.94
405
14.37
365
710
441
view

Note
As different constructions and applications can affect the finished dimensions of a tyre the figures are subject to change without prior notice.
For further confirmation of current data please contact Avon Tyres Motorsport or your local distributor.

Tyres should be fitted as per the manufacturers instructions with regard to orientation on the various positions on the car.  For full details see our Avon Motorsport Fitment Guide.

Warning
Avon Tyres Motorsport reserve the right to alter tyre specifications at any time, and without prior notice.
Every effort has been made to ensure the accuracy of the data herein but no liability can be accepted for errors or omissions.