34T
34T
20T
38T/20T PULLEYES (ratio 1.9)
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
69
10.93
10.08
9.36
8.74
8.19
7.71
7.28
6.90
6.56
6.24
5.96
5.70
5.46
5.24
5.04
4.86
4.68
4.52
4.37
4.23
4.10
3.97
3.86
69
18.11
19.62
21.12
22.63
24.14
25.65
27.16
28.67
30.18
31.69
33.20
34.71
36.21
37.72
39.23
40.74
42.25
43.76
45.27
46.78
48.29
49.79
51.30
70
11.08
10.23
9.50
8.87
8.31
7.82
7.39
7.00
6.65
6.33
6.05
5.78
5.54
5.32
5.12
4.93
4.75
4.59
4.43
4.29
4.16
4.03
3.91
70
17.85
19.34
20.82
22.31
23.80
25.29
26.77
28.26
29.75
31.23
32.72
34.21
35.70
37.18
38.67
40.16
41.65
43.13
44.62
46.11
47.60
49.08
50.57
71
11.24
10.38
9.64
8.99
8.43
7.94
7.49
7.10
6.75
6.42
6.13
5.87
5.62
5.40
5.19
5.00
4.82
4.65
4.50
4.35
4.22
4.09
3.97
71
17.60
19.06
20.53
22.00
23.46
24.93
26.40
27.86
29.33
30.79
32.26
33.73
35.19
36.66
38.13
39.59
41.06
42.53
43.99
45.46
46.93
48.39
49.86
72
11.40
10.52
9.77
9.12
8.55
8.05
7.60
7.20
6.84
6.51
6.22
5.95
5.70
5.47
5.26
5.07
4.89
4.72
4.56
4.41
4.28
4.15
4.02
72
17.35
18.80
20.24
21.69
23.14
24.58
26.03
27.48
28.92
30.37
31.81
33.26
34.71
36.15
37.60
39.04
40.49
41.94
43.38
44.83
46.27
47.72
49.17
73
11.56
10.67
9.91
9.25
8.67
8.16
7.71
7.30
6.94
6.60
6.30
6.03
5.78
5.55
5.33
5.14
4.95
4.78
4.62
4.47
4.33
4.20
4.08
73
17.11
18.54
19.97
21.39
22.82
24.25
25.67
27.10
28.52
29.95
31.38
32.80
34.23
35.66
37.08
38.51
39.93
41.36
42.79
44.21
45.64
47.07
48.49
74
11.72
10.82
10.04
9.37
8.79
8.27
7.81
7.40
7.03
6.70
6.39
6.11
5.86
5.62
5.41
5.21
5.02
4.85
4.69
4.54
4.39
4.26
4.14
75
11.88
10.96
10.18
9.50
8.91
8.38
7.92
7.50
7.13
6.79
6.48
6.20
5.94
5.70
5.48
5.28
5.09
4.91
4.75
4.60
4.45
4.32
4.19
81
12.83
11.84
10.99
10.26
9.62
9.05
8.55
8.10
7.70
7.33
7.00
6.69
6.41
6.16
5.92
5.70
5.50
5.31
5.13
4.96
4.81
4.66
4.53
74
16.88
18.29
19.70
21.10
22.51
23.92
25.33
26.73
28.14
29.55
30.95
32.36
33.77
35.17
36.58
37.99
39.40
40.80
42.21
43.62
45.02
46.43
47.84
Rubber Tire Rollout Chart (63mm diameter)
SPUR GEAR 48 PITCH
75
76
77
78
79
80
81
16.66 16.44 16.23 16.02 15.82 15.62 15.42
18.05 17.81 17.58 17.35 17.13 16.92 16.71
19.43 19.18 18.93 18.69 18.45 18.22 18.00
20.82 20.55 20.28 20.02 19.77 19.52 19.28
22.21 21.92 21.63 21.36 21.09 20.82 20.57
23.60 23.29 22.99 22.69 22.40 22.12 21.85
24.99 24.66 24.34 24.03 23.72 23.43 23.14
26.38 26.03 25.69 25.36 25.04 24.73 24.42
27.76 27.40 27.04 26.70 26.36 26.03 25.71
29.15 28.77 28.40 28.03 27.68 27.33 26.99
30.54 30.14 29.75 29.37 28.99 28.63 28.28
31.93 31.51 31.10 30.70 30.31 29.93 29.56
33.32 32.88 32.45 32.04 31.63 31.23 30.85
34.71 34.25 33.80 33.37 32.95 32.54 32.13
36.09 35.62 35.16 34.71 34.27 33.84 33.42
37.48 36.99 36.51 36.04 35.58 35.14 34.71
38.87 38.36 37.86 37.37 36.90 36.44 35.99
40.26 39.73 39.21 38.71 38.22 37.74 37.28
41.65 41.10 40.56 40.04 39.54 39.04 38.56
43.03 42.47 41.92 41.38 40.86 40.34 39.85
44.42 43.84 43.27 42.71 42.17 41.65 41.13
45.81 45.21 44.62 44.05 43.49 42.95 42.42
47.20 46.58 45.97 45.38 44.81 44.25 43.70
82
12.98
11.98
11.13
10.39
9.74
9.16
8.66
8.20
7.79
7.42
7.08
6.77
6.49
6.23
5.99
5.77
5.56
5.37
5.19
5.03
4.87
4.72
4.58
82
15.24
16.51
17.78
19.05
20.32
21.58
22.85
24.12
25.39
26.66
27.93
29.20
30.47
31.74
33.01
34.28
35.55
36.82
38.09
39.36
40.63
41.90
43.17
83
13.14
12.13
11.26
10.51
9.86
9.28
8.76
8.30
7.89
7.51
7.17
6.86
6.57
6.31
6.07
5.84
5.63
5.44
5.26
5.09
4.93
4.78
4.64
83
15.05
16.31
17.56
18.82
20.07
21.32
22.58
23.83
25.09
26.34
27.60
28.85
30.11
31.36
32.61
33.87
35.12
36.38
37.63
38.89
40.14
41.40
42.65
84
13.30
12.28
11.40
10.64
9.98
9.39
8.87
8.40
7.98
7.60
7.25
6.94
6.65
6.38
6.14
5.91
5.70
5.50
5.32
5.15
4.99
4.84
4.69
84
14.87
16.11
17.35
18.59
19.83
21.07
22.31
23.55
24.79
26.03
27.27
28.51
29.75
30.99
32.23
33.47
34.71
35.94
37.18
38.42
39.66
40.90
42.14
85
13.46
12.42
11.54
10.77
10.09
9.50
8.97
8.50
8.08
7.69
7.34
7.02
6.73
6.46
6.21
5.98
5.77
5.57
5.38
5.21
5.05
4.89
4.75
85
14.70
15.92
17.15
18.37
19.60
20.82
22.05
23.27
24.50
25.72
26.95
28.17
29.40
30.62
31.85
33.07
34.30
35.52
36.75
37.97
39.20
40.42
41.65
86
13.62
12.57
11.67
10.89
10.21
9.61
9.08
8.60
8.17
7.78
7.43
7.10
6.81
6.54
6.28
6.05
5.84
5.63
5.45
5.27
5.11
4.95
4.81
86
14.53
15.74
16.95
18.16
19.37
20.58
21.79
23.00
24.21
25.42
26.63
27.84
29.06
30.27
31.48
32.69
33.90
35.11
36.32
37.53
38.74
39.95
41.16
87
13.78
12.72
11.81
11.02
10.33
9.72
9.18
8.70
8.27
7.87
7.51
7.19
6.89
6.61
6.36
6.12
5.90
5.70
5.51
5.33
5.17
5.01
4.86
87
14.36
15.56
16.75
17.95
19.15
20.34
21.54
22.74
23.93
25.13
26.33
27.52
28.72
29.92
31.12
32.31
33.51
34.71
35.90
37.10
38.30
39.49
40.69
PINION SIZE
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
Final Drive Ratio (FDR) Chart
SPUR GEAR 48 PITCH
76
77
78
79
80
12.03 12.19 12.35 12.51 12.67
11.11 11.25 11.40 11.55 11.69
10.31 10.45 10.59 10.72 10.86
9.63 9.75 9.88 10.01 10.13
9.03 9.14 9.26 9.38 9.50
8.49 8.61 8.72 8.83 8.94
8.02 8.13 8.23 8.34 8.44
7.60 7.70 7.80 7.90 8.00
7.22 7.32 7.41 7.51 7.60
6.88 6.97 7.06 7.15 7.24
6.56 6.65 6.74 6.82 6.91
6.28 6.36 6.44 6.53 6.61
6.02 6.10 6.18 6.25 6.33
5.78 5.85 5.93 6.00 6.08
5.55 5.63 5.70 5.77 5.85
5.35 5.42 5.49 5.56 5.63
5.16 5.23 5.29 5.36 5.43
4.98 5.04 5.11 5.18 5.24
4.81 4.88 4.94 5.00 5.07
4.66 4.72 4.78 4.84 4.90
4.51 4.57 4.63 4.69 4.75
4.38 4.43 4.49 4.55 4.61
4.25 4.30 4.36 4.41 4.47
38T
20T
PINION SIZE
PINION SIZE
PINION SIZE
38T
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
100
10.56
10.00
9.50
9.05
8.64
8.26
7.92
7.60
7.31
7.04
6.79
6.55
6.33
6.13
5.94
5.76
5.59
5.43
5.28
5.14
5.00
53
13.59
14.35
15.10
15.86
16.61
17.37
18.12
18.88
19.63
20.39
21.14
21.90
22.65
23.41
24.16
24.92
25.67
26.43
27.18
27.94
28.69
103
10.87
10.30
9.79
9.32
8.90
8.51
8.15
7.83
7.53
7.25
6.99
6.75
6.52
6.31
6.12
5.93
5.76
5.59
5.44
5.29
5.15
104
10.98
10.40
9.88
9.41
8.98
8.59
8.23
7.90
7.60
7.32
7.06
6.81
6.59
6.37
6.18
5.99
5.81
5.65
5.49
5.34
5.20
105
11.08
10.50
9.98
9.50
9.07
8.67
8.31
7.98
7.67
7.39
7.13
6.88
6.65
6.44
6.23
6.05
5.87
5.70
5.54
5.39
5.25
106
11.19
10.60
10.07
9.59
9.15
8.76
8.39
8.06
7.75
7.46
7.19
6.94
6.71
6.50
6.29
6.10
5.92
5.75
5.59
5.44
5.30
Final Drive Ratio (FDR) Chart
SPUR GEAR 64 PITCH
107 108 109 110 111
11.29 11.40 11.51 11.61 11.72
10.70 10.80 10.90 11.00 11.10
10.17 10.26 10.36 10.45 10.55
9.68 9.77 9.86 9.95 10.04
9.24 9.33 9.41 9.50 9.59
8.84 8.92 9.00 9.09 9.17
8.47 8.55 8.63 8.71 8.79
8.13 8.21 8.28 8.36 8.44
7.82 7.89 7.97 8.04 8.11
7.53 7.60 7.67 7.74 7.81
7.26 7.33 7.40 7.46 7.53
7.01 7.08 7.14 7.21 7.27
6.78 6.84 6.90 6.97 7.03
6.56 6.62 6.68 6.74 6.80
6.35 6.41 6.47 6.53 6.59
6.16 6.22 6.28 6.33 6.39
5.98 6.04 6.09 6.15 6.20
5.81 5.86 5.92 5.97 6.03
5.65 5.70 5.75 5.81 5.86
5.49 5.55 5.60 5.65 5.70
5.35 5.40 5.45 5.50 5.55
101
10.66
10.10
9.60
9.14
8.72
8.34
8.00
7.68
7.38
7.11
6.85
6.62
6.40
6.19
6.00
5.82
5.64
5.48
5.33
5.19
5.05
102
10.77
10.20
9.69
9.23
8.81
8.43
8.08
7.75
7.45
7.18
6.92
6.68
6.46
6.25
6.06
5.87
5.70
5.54
5.38
5.24
5.10
54
13.85
14.62
15.39
16.16
16.93
17.69
18.46
19.23
20.00
20.77
21.54
22.31
23.08
23.85
24.62
25.39
26.16
26.93
27.70
28.47
29.23
Foam Tire Rollout Chart (116 Tooth 64P Spur)
TIRE DIAMETER
55
56
57
58
59
60
61
14.10 14.36 14.62 14.87 15.13 15.39 15.64
14.89 15.16 15.43 15.70 15.97 16.24 16.51
15.67 15.96 16.24 16.53 16.81 17.10 17.38
16.46 16.75 17.05 17.35 17.65 17.95 18.25
17.24 17.55 17.87 18.18 18.49 18.81 19.12
18.02 18.35 18.68 19.01 19.33 19.66 19.99
18.81 19.15 19.49 19.83 20.17 20.52 20.86
19.59 19.95 20.30 20.66 21.01 21.37 21.73
20.37 20.74 21.11 21.48 21.85 22.23 22.60
21.16 21.54 21.93 22.31 22.70 23.08 23.46
21.94 22.34 22.74 23.14 23.54 23.93 24.33
22.72 23.14 23.55 23.96 24.38 24.79 25.20
23.51 23.93 24.36 24.79 25.22 25.64 26.07
24.29 24.73 25.17 25.62 26.06 26.50 26.94
25.07 25.53 25.99 26.44 26.90 27.35 27.81
25.86 26.33 26.80 27.27 27.74 28.21 28.68
26.64 27.13 27.61 28.09 28.58 29.06 29.55
27.43 27.92 28.42 28.92 29.42 29.92 30.42
28.21 28.72 29.23 29.75 30.26 30.77 31.29
28.99 29.52 30.05 30.57 31.10 31.63 32.16
29.78 30.32 30.86 31.40 31.94 32.48 33.02
62
15.90
16.78
17.67
18.55
19.43
20.32
21.20
22.08
22.97
23.85
24.73
25.62
26.50
27.38
28.27
29.15
30.03
30.92
31.80
32.68
33.57
112
11.82
11.20
10.64
10.13
9.67
9.25
8.87
8.51
8.18
7.88
7.60
7.34
7.09
6.86
6.65
6.45
6.26
6.08
5.91
5.75
5.60
113
11.93
11.30
10.74
10.22
9.76
9.33
8.95
8.59
8.26
7.95
7.67
7.40
7.16
6.93
6.71
6.51
6.31
6.13
5.96
5.80
5.65
114
12.03
11.40
10.83
10.31
9.85
9.42
9.03
8.66
8.33
8.02
7.74
7.47
7.22
6.99
6.77
6.56
6.37
6.19
6.02
5.85
5.70
115
12.14
11.50
10.93
10.40
9.93
9.50
9.10
8.74
8.40
8.09
7.80
7.53
7.28
7.05
6.83
6.62
6.43
6.24
6.07
5.91
5.75
116
12.24
11.60
11.02
10.50
10.02
9.58
9.18
8.82
8.48
8.16
7.87
7.60
7.35
7.11
6.89
6.68
6.48
6.30
6.12
5.96
5.80
117
12.35
11.70
11.12
10.59
10.10
9.67
9.26
8.89
8.55
8.23
7.94
7.67
7.41
7.17
6.95
6.74
6.54
6.35
6.18
6.01
5.85
118
12.46
11.80
11.21
10.68
10.19
9.75
9.34
8.97
8.62
8.30
8.01
7.73
7.47
7.23
7.01
6.79
6.59
6.41
6.23
6.06
5.90
63
16.16
17.05
17.95
18.85
19.75
20.64
21.54
22.44
23.34
24.23
25.13
26.03
26.93
27.82
28.72
29.62
30.52
31.41
32.31
33.21
34.11
If you have any questions. please do not hesitate to contact XRAY at [email protected] or visit our website at www.teamxray.com for news and updates.
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
7
3
3
1
3
1
1
1
3
1
3
1
1
1
1
1
1
1
1
3
4
3
3
3
3
4
3
3
3
3
3
4
3
3
2
2
2
3
8
4
3
3
5
5
2
3
3
3
5
5
2
3
4
3
5
3
4
4
3
4
4
4
4
3
3
4
4
4
4
3
3
5
4
5
4
5
8
4
4
4
4
4
4
3
3
5
3
3
4
4
4
4
4
3
3
5
3
3
2
2
5
2
2
6
2
2
5
2
2
6
Gurney Strip
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
7
2
Solid Rear Axle
5
5
5
5
5
5
5
5
5
5
5
5
1
1
1
1
1
6
4
Rear Differential
3
6
5
6
5
5
4
6
5
6
5
5
4
6
6
6
6
6
5
Shock Position
3
7
7
8
8
3
3
7
7
8
8
3
3
5
5
Shock Damping
6
6
6
6
6
4
6
6
6
6
6
4
5
5
5
5
5
8
Shock Springs
5
5
5
5
5
3
5
5
5
5
5
3
4
4
4
4
4
8
Tires
5
5
5
5
5
3
5
5
5
5
5
3
4
4
4
4
4
8
Anti-Roll bar
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
4
8
4
Roll Center
3
3
5
5
3
5
3
3
5
5
3
5
3
4
5
4
3
4
1
Ride Height
3
4
3
4
4
4
3
4
3
4
4
4
2
3
2
3
2
8
2
Camber
1
3
1
3
3
4
1
3
1
3
3
4
1
1
1
1
1
3
4
Downstops
Toe
4
5
1
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
1
5
2
Front Differential
7
3
2
3
2
2
4
3
2
3
2
2
4
2
2
2
2
2
7
1
Solid Front Axle
Mid Corner
Corner Exit
Braking
STRAIGHT LINE STABILITY To make Better
STEERING RESPONSE To make Faster
Shock Position
How to get rid of
TRACTION ROLL
6
6
6
Shock Damping
Corner Exit
Braking
Corner Entry
5
8
8
8
7
7
5
8
8
8
7
7
Shock Springs
Mid Corner
5
5
5
5
5
5
5
5
5
5
5
5
1
1
1
1
1
7
4
Tires
How to get rid of
OVERSTEER
4
3
4
3
3
4
4
3
4
3
3
4
2
2
2
2
2
3
4
Anti-Roll bar
Corner Exit
Braking
Corner Entry
6
6
6
6
6
6
6
6
6
6
6
6
8
8
8
8
8
5
6
Roll Center
Mid Corner
Ride Height
How to get rid of
UNDERSTEER
5
2
5
2
2
6
5
2
5
2
2
6
Caster
Corner Entry
Camber
Order of importance
Downstops
1
On-Throttle
Softer / Decrease / Lower /
Shorten / Use
REAR
One-Way Front Axle
FRONT
Harder / Increase / Higher /
Lengthen / Do not Use
Off-Throttle
Key Guide
Quick Reference table
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
4