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8in Hitch Extension with Lock

5 out of 5 stars
2 Reviews

Style & Size:


Why We Like The 8in Hitch Extension with Lock

Whether we’re mounting a bike rack to a vehicle with swinging van doors, spare tires, or recessed hitches, we count on the 8in Hitch Extension to ensure we can still pivot our racks into the upright position. It includes a locking hitch bolt for added security, and it even works well with bike racks from other brands.


  • Hitch extension adds clearance for bike racks
  • Included locking hitch bolt with key
  • Compatible with 2in hitch receivers
  • Reduces hitch receiver weight rating by 50%
  • Item #RMOY018
RockyMounts, Thule, Yakima, Kuat
Part Number
10008, RM3020

Overall Rating

5 based on 2 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
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4 Stars - 0 reviews
5 Stars - 2 reviews

Fits True To Size

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Runs smallTrue to sizeRuns large

What do you think about this product?


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5 out of 5 stars

June 21, 2024

Perfect for Jeep Wrangler

I've used it once or twice and have initial impressions
Size Bought:
8 inch

I purchased this to use with my Rockymounts Monorail bike rack. I have a Jeep Wrangler with a super meaty spare tire so the extender was necessary in order to properly mount the bike rack with enough clearance. Solid fit and works perfect.

Rockymounts hitch
5 out of 5 stars

August 5, 2020

Save the Tailgate

I've put it through the wringer

This extension is perfect for dropping the tailgate without touching the bikes on the rack!

shane t

Originally reviewed on Backcountry.com