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Ironman RB-12 NWS

The Ironman RB-12 NWS represents a combination of new and old by combining modern tire technology with a classic white sidewall styling. An all-season rubber compound enhances wet traction and durability while providing outstanding affordability. The RB-12 NWS features lateral shoulder slots for water dispersion and a square tread profile that maximizes contact area and improves handling and stability.
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Ironman RB-12 NWS Tire Specs Chart

Size Diameter Width Rim
Range
Measured
Rim
Tread
Depth
Load
Range
Max
Load
Max
psi
Weight Revs/Mile
195/75R14
92S SL WS
25.51" 7.7" 5-6.5" 5.5" 9.6/32" SL 1389 lbs 44 psi 18.5 lbs 815 Show Specs
205/75R14
95S SL WS
26.14" 8" 5-7" 5.5" 9.6/32" SL 1521 lbs 44 psi 22 lbs 795 Show Specs
205/70R15
96S SL WS
26.34" 8.2" 5-7" 6" 9.6/32" SL 1565 lbs 44 psi 19.8 lbs 789 Show Specs
205/75R15
97S SL WS
27.13" 8.2" 5-7" 5.5" 9.6/32" SL 1609 lbs 44 psi 23.2 lbs 766 Show Specs
215/70R15
98S SL WS
26.89" 8.7" 5.5-7" 6.5" 9.6/32" SL 1653 lbs 44 psi 22.9 lbs 773 Show Specs
215/75R15
100S SL WS
27.68" 8" 5.5-7" 6" 9.6/32" SL 1764 lbs 44 psi 23.8 lbs 751 Show Specs
225/70R15
100S SL WS
27.44" 9" 6-7.5" 6.5" 10.2/32" SL 1764 lbs 44 psi 24.9 lbs 757 Show Specs
225/75R15
102S SL WS
28.31" 8.8" 6-7.5" 6" 10.2/32" SL 1874 lbs 44 psi 24.9 lbs 734 Show Specs
235/75R15
105S SL WS
28.86" 9.3" 6-8" 6.5" 10.2/32" SL 2039 lbs 44 psi 27.1 lbs 720 Show Specs

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