Molded “ST” Envelopes

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Molded Extended Skirt Envelopes

CODE OUTER DIAMETER
X
BEAD BEAD
SUGGESTED TIRE SIZE
SP-OE-44X38MM 1143 X 970
INCH 45 X 38
445/50-22.5
1200-20
385/65-22.5
445/65-19.5
SP-OE-44X36MM.1143 x 920
INCH. 45 x 36.2
315/80-22.5 lug
SP-OE-AS 42X36MM.1080 x 920
INCH. 42.5 x 36.2
315/80-22.5
12-22.5
1000-20
SP-OE-42X34MM.1080 x 870
INCH. 42.5 x 34.2
11-24.5
305/85-22.5
SP-OE-40X34MM.1040 x 870
INCH. 40.9 x 342
11-22.5
285/75-24.5
295/80-22.5
SP-OE-40X32MM.1040 x 830
INCH. 40.9 x 32.7
295/75-22.5 275/80-22.5
305/70-22.5

 

Molded Outer Envelopes

CodeOuter DiameterBead to BeadSuggested Tire Size
SP-OE-ST 42X28MM 1080
INCH 42.5
MM 710
INCH 27.9
445/50-22.5
12-22.5
315/80-22.5
SP-OE-ST 41X28MM 1148
INCH 45
MM 715
INCH 28
11-24.55
SP-OE-ST 40X26MM 1066
INCH 42
MM 660
INCH 26.3
11-22.5
SP-OE-ST 40X22MM 1066
INCH 42
MM 570
INCH 22.4
275/80-22.5
295/75-22.5
SP-OE-ST 38X23MM 1020
INCH 40
MM 600
INCH 23.6
255/70-22.5
SP-OE-ST 35X21MM 941
INCH 37
MM 545
INCH 21.4
245/70-19.5
225/70-19.5

 

Molded Inner Envelopes

Code DimensionsSuggested Tire Size
SP-IE-1160X5401160x540x930MM
45.67x21.26x36.62INCH
45/50R22.5
315/80R22.5
12R22.5
SP-IE-1180X5801180x580x940MM
46.46x22.84x37.01INCH
11R24.5
285/75R24.5
275/80R24.5
SP-IE-1100X5401100x540x930MM
43.31x21.26x36.62INCH
11R22.5
SP-IE-1060X5401060x540x900MM
41.74x21.26x35.44INCH
275/80R22.5
295/75R22.5
SP-IE-930X465930x465x700MM
36.62x18.31x27.56INCH
225/70R19.5
245/70R19.5

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ST Envelopes