Britcar Production

SizePattern
Permitted
Rim Width
Optimum
Rim Width
Diameter
Overall Width
Tread Width
Revs Per Mile
inch
inch
mminchmminchmminch@100 mph
185/580R15slick/wet
6.5 - 7.5
7
583232058.11857.3878
200/580R15 slick/wet
6.5 - 8.5
7.5
583232168.51957.7878
205/620 R17slick/wet
7.0 - 9.0
7.5
61624.32158.52038822
215/45R17 CPD Aslick
7.0 - 9.0
8
62424.62188.62128.3
235/610R17slick/wet
8.5 - 9.5
9
60823.92459.72268.9855
235/640R18slick/wet
F 8.5 - 10.0
 9
 640 25.2 248 9.8 228 9 825
245/650R18slick/wet
8.5 - 9.5
9
64825.526810.52469.6790
265/660R18slick/wet
F 10 - 11
10
65525.927810.92529.9
285/660R18slick/wet
F 10.5-11.5
11
65525.830111.927710.9
285/680R18slick/wet
R 10.5-11
11
67926.730211.927010.6
305/660R18slick/wet
F 11.5-12.5
12.5
65625.83321329011.4
305/680R18slick/wet
F 11.5-12.5
12
6852733313.1129011
235/645R19slick/wet
8.0-9.5
8
64825.52319.12168.5791
285/680R19slick/wet
10.5-11
10.5
68026.829311.527010.6674
310/710R19slick/wet
R 12.5-13
13
7112835413.930512

Radical / SR3/SR4/SR8 /Britsports Masters

SizePattern
Permitted
Rim Width
Optimum
Rim Width
Diameter
Overall Width
Tread Width
Revs Per Mile
inch
inch
mminchmminchmminch@100 mph
190/535R13slick/wet
7.5-9.5
8
54121.32218.71907.4946
230/570R13slick/wet
9.5 - 10.5
10
57522.628011.22359.2890
205/570R13slick/wet
8.0 - 9.5
9
57422.6255102058.1892
200/580R15slick/wet
6.5 - 8.5
7.5
583232168.51957.7878
265/605R16slick/wet
9.5 - 10.5
10
60823.927010.626010.2842
235/620R17slick/wet
8.5-9.5
9
62024.42489.8 235 9.3 826
290/645R17slick/wet
12.0-13.0
12
64225.332812.928611.3794
265/660R18slick/wet
10-11
10
65525.927810.92529.9
305/660R18slick/wet
11.5-12.5
12.5
65625.83321329011.4

Clubmans, Classic Clubmans

SizeConstructionPatternPermitted Rim WidthOptimum Rim WidthDiameter Overall Width Tread Width Revs Per Mile
inchinchmminchmminchmminch@100 mph
170/510-13 Clubmansslick7.0 - 9.0851620.32228.71656.5992
170/510-13 Clubmanswet7.0 - 9.1851620.32228.71656.5992
210/570-13 Clubmansslick7.0 - 11.01056422.228311.12108.3908
210/570-13  Clubmanswet 7.0 - 11.010564  22.2 283 11.1 210 8.3 908

TVR Challenge

SizeConstructionPatternPermitted Rim WidthOptimum Rim WidthDiameter Overall Width Tread Width Revs Per Mile
inchinchmminchmminchmminch@100 mph
300/650R18  11.5 - 12.5 12.0 645 25.4 320 12.6 301 11.9 818

F3/Supersport Class A/Radical Endurance

SizeConstructionPatternPermitted Rim WidthOptimum Rim WidthDiameter Overall Width Tread Width Revs Per Mile
inchinchmminchmminchmminch@100 mph
190/535R13 S015/S15Wslick/wet7.5 - 9.5854121.32218.71907.4946
230/570R13 S15/S04Wslick/wet9.5 - 10.51057522.628011.22359.2890

Mini 7/Miglia

SizePattern
Permitted
Rim Width
Optimum
Rim Width
Diameter
Overall Width
Tread Width
Revs Per Mile
inch
inch
mminchmminchmminch@100 mph
500L 10CR70/CR65
3.5 - 5.5
4.5
49819.61656.51204.71029
160/490-10 slick/wet
5.0 - 7.0
6
48018.92148.41505.91067

Formula Vee

SizePattern
Permitted
Rim Width
Optimum
Rim Width
Diameter
Overall Width
Tread Width
Revs Per Mile
inch
inch
mminchmminchmminch@100 mph
120/590-15CR82
4.0 - 5.5
4.5
57922.81616.31204.7884
135/620-15CR82
4.0 - 6.0
4.5
61724.31907.51385.4830

Historic Formula Ford

SizePattern
Permitted
Rim Width
Optimum
Rim Width
Diameter
Overall Width
Tread Width
Revs Per Mile
inch
inch
mminchmminchmminch@100 mph
135/545-13CR82
5.0 - 6.0
5.5
55021.71907.51355.3935
165/580-13CR82
5.0 - 6.0
5.5
585232208.31656.5883

Group C

SizeConstructionPatternPermitted Rim WidthOptimum Rim WidthDiameter Overall Width Tread Width Revs Per Mile
inchinchmminchmminchmminch@100 mph
290/645R17 slick/wet12.0 - 13.01264225.332812.9 286 11.3 794
340/660R18 slick/wet13.0 - 14.013.565625.9355 14.0 324 12.8 781

VAG GTi

SizeConstructionPatternPermitted Rim WidthOptimum Rim WidthDiameter Overall Width Tread Width Revs Per Mile
inchinchmminchmminchmminch@100 mph
195/50R15 82V  DZ03G 5.5 - 7.0 6 575 22.6 202 8

VAG Trophy

SizeConstructionPatternPermitted Rim WidthOptimum Rim WidthDiameter Overall Width Tread Width Revs Per Mile
inchinchmminchmminchmminch@100 mph
225/45R17 90W  DZ03G 7.0 - 8.5 7.5 632 24.9 230 9.1
235/610R17 G84D/G84W slick./wet 8.5 - 9.5 9 608 23.9 245 9.7 228 8.9 855
235/640R18  F 8.5 - 10.0 9 640 25.2 248 9.8 228 9