Semi 4.0, 2 bike add-on locking
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Converts Semi 4.0 to a four bike rack
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Maximum weight capacity of 45lbs per bike
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Simple to install and use
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Zero frame contact
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Fits tires up to 3” wide
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Fits wheels 20” to 29” in diameter
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Fits Class 3, 2” hitch receiver
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Locking threaded hitch pin and integrated locking cables