Spare Tire Clearance for Hitch Racks
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How to check your car:
To determine if your hitch mounted bike rack will clear your externally mounted spare tire, you will need to take the indicated measurements. Tape a weighted Down string, cord or light rope to the face of the pare tire (this is called a “plumb line”). Measure both the A and B distances. Depending on your receiver tube, compare the measurements needed to clear the spare tire.
Use measurement A (measuring from the face of the hitch) for the following receiver tubes & models:
RTD2 (HR300/400/2000/2200)
RT2DE (HR320/420/520)
RT275 (Team Rider, Pro Rider)
RT 575 (’07 Pro Rider, HR1200, HR1400)