The Alcoa Wheels 81U531s4 22.5×11.75, is a lightweight forget aluminium heavy-duty truck wheel. It features a 10-stud, 335mm pitch circle diameter (PCD) bolt pattern and a 120mm offset, specifically engineered for front steer axles on commercial heavy trucks like Volvo.

Key features:

Weight: ~22.9 kg (lightweight Ultra ONE series using proprietary MagnaForce alloy)
Reduced unsprung weight improves fuel economy and payload capacity
PCD / Stud Pattern: 10 holes on a 335mm circle
Inset / Offset: 120.0 mm inset / 120 mm offset
Centre Bore Dimension: 281 mm
Maximum Load: 5,000 kg (11,023 lbs)
Stud Hole Diameter: 26.3 mm
Alcoa LvL ONE, it’s six times brighter than ordinary machine finished wheels.
High fatigue resistance for heavy-duty commercial applications

Core Benefits

High Strength-to-Weight Ratio: Forged from MagnaForce alloy, making it significantly lighter than standard aluminum or steel counterparts while retaining a massive 5-tonne load rating
Corrosion Resistance: Does not require painting and resists rust formation
Application: Ideal for heavy commercial fleet steer-axle applications focused on maximizing legal payload limits and fuel economy.

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Alcoa Wheels 81U531S4 | 22.5″ x 11.75″

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