How do I know what size my trailer hub is?
5-Bolt on 4-1/2" Studded Trailer Hub (Shorty - 3-1/2") for 1 Inch or 1-1/16 Inch Straight Spindles (BT-150A-02)
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Open Jan 14, 2026 - 01:42 PM
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Answer
Jan 14, 2026 - 01:42 PM
To determine the size of your trailer hub, you need to measure the diameter of the hub bore and the bolt pattern. You can also refer to the manufacturer's specifications or check the part number on the existing hub, if available.
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