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What 2" to 1 1/4" Hitch Adapter Can Be Used with an Anti-Rattle Device?  

Updated 08/17/2026 | Published 08/05/2026

Question:

I have a 2” hitch on my car. My Thule Bike Rack is a 1 1/4”. What do you recommend as a non-rattle reducer solution? I don’t think it matters butjust in case it does, my car is a 2026 Subaru Outback XT.

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Expert Reply:

Hi Bryan,

To get the most anti-rattle reduction when using your Thule bike rack, I suggest using the etrailer 2" to 1 1/4" Trailer Hitch Receive Adapter part # e58YR. This adapter will fit inside your receiver and extend out 4 3/8" to give you a 1 1/4" receiver with a sight extension. I recommend using the extension over a sleeve adapter because anti-rattle devices or hitch pins that come with some bike racks are not compatible with the hitch pin hole in sleeve adapters. The extension will reduce your tongue weight up to 50% since the weight is moved out away from the hitch, so you'll need to make sure the weight of your bike rack and bikes stays within its range when using the adapter.

Then you can use the etrailer Anti-Rattle Hitch Collar Device part # e38FV that will hook around the collar of the hitch and uses a knob to tighten the device and apply pressure all the way around the bike rack to keep it from moving.

Which Thule bike rack do you have?

expert reply by:
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Claire H
e38FV On a Trailer Hitch
e38FV On a Trailer Hitch
(click to enlarge)
Jen S. profile picture

Jen S.

8/10/2026

I tried everything you're trying, Bryan. None of it worked. I have a 2023 Subaru Outback Wilderness with a 1 1/4 inch Küel Sherpa hitch. It wasn't until I got an adapter directly from Küel that my rack fit in my hitch perfectly. I didn't even need an anti-rattle device.

Claire H. profile picture
Etrailer Expert

Claire H.

8/12/2026

@JenS We've seen this issue with bike racks that have their own included anti-rattle hitch pins or devices with the bike rack. They aren't compatible with hitch reducer sleeves and an adapter with an extender is usually required to work with the bike rack. Kuat's flatlock hitch cam system requires an elongated hitch pin hole that only works with their specific reducer they made to fit that system.
Lew profile picture

Lew

8/17/2026

I purchased the Trailer Hitch Reducer 2" to 1-1/4" Trailer Hitch Receiver Part Number: e63YR. It's very beafy, and well made. It's a perfect fit for my 1 1/4" bicycle rack so I can now use the 2" trailer hitch on my 2024 Kia EV,

Claire H. profile picture
Etrailer Expert

Claire H.

8/17/2026

@Lew I'm happy to hear the e63YR works perfectly for your Thule bike rack! It's an excellent way to reduce the hitch size without needing to reduce the tongue weight with an extension. What Thule bike rack do you use it with?

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