Recommended Diameter

Size

Inches

mm

65

2.07

53

75

2.39

61

85

2.71

69

97

3.10

79

110

3.50

89

117

3.74

95

125

3.98

101

135

4.30

109

150

4.77

121

160

5.09

129

170

5.41

138