10 Best frame adapters of 2026

Save up to 14% off

1

ATLAS

ATLAS Automotive Equipment Truck Frame Adapters, 1 1/2" Peg (1 Pair)
9.7

Exceptional

Our Rating
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2

Thule
Thule Frame Adapter, Compatible with Step-Thru, BMX, Non-Standard Frame Designs, Adjustable 18"-30.5" Length fits Most Frames

14% Off
Main highlights

Easy Installation and Secure Fit
The adapter features an easy-to-use push button design for quick installation and removal, and a 360 locking collar to keep the bike secure.

Versatile for Various Bike Types
Ideal for non-standard bike frames including women's bikes, BMX bikes, kids' bikes, and full-suspension bikes, ensuring compatibility with multiple bike rack styles.

Highly Durable and Protective
Customers consistently praise the adapter's solid build quality, easy telescoping adjustment, and molded rubber pads that protect the bike finish.
Key specs
- Load Capacity:50 Pounds
- Color:Black
- Dimensions:11.81 x 1.57 x 1.57 inches
- Weight Limit:50 pounds
- Compatibility:womens, BMX, kids bikes
9.4

Excellent

Our Rating

9.3
lasts a long time

9.3
Easy installation

8.7
Simple to use
3

Retrospec
Retrospec Bike Rack Cross-Bar Adapter - Universal Top Tube Frame Mount for Car Racks - Adjustable 18-28in Bike Accessories for Step-Through & Suspension Frames - Tool-Free Installation, 45lb Capacity
Main highlights

Key Features
Facilitates carrying step-through and non-conventional frames on hitch and trunk mounts; easy, tool-free installation; supports up to 45lbs.

Ideal Use Cases
Perfect for transporting step-through, suspension bikes, or those with non-conventional frames, measuring 18-28 inches stem-to-seat post, on hitch and trunk bike carriers.

Customer Praise
Most reviews highlight the adapter`s ease of installation and its effectiveness in securing various bike frames on car racks as the top commendation.
Key specs
- Load Capacity:45 pound
- Color:Black
- Dimensions:14 x 16 x 4 inches
- Weight Limit:45lbs
- Compatibility:18-28 stem-to-seat post
9.3

Excellent

Our Rating

9.7
Easy installation

9.5
Simple to use

9.1
Durability
4

KOPKIO

KOPKIO 2PCS Heavy Duty Bed Frame Adapter/Connector Plate for Headboard, Adjustable Metal Frame Modification Brackets, Black
9.2

Excellent

Our Rating
5

CAFORO

CAFORO Queen Bed Modification Plate, Headboard Attachment Bracket, Bed Frame Adapter Brackets, Bed Headboard Frame Conversion Kit Full to Queen Set of 2
9.0

Excellent

Our Rating
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6

appacare
2 PCS Bed Frame Brackets Modi-Plate Bed Frame Adapter/Connector, Heavy Duty Bed Frame Modification to Connect Headboard Footboard
Main highlights

High Quality and Durable Construction
Headboard Attachment Brackets made of high quality steel, electrophoresis black plated to prevent rust and corrosion, ensuring long life and preventing damage to your bed.

Versatile and Adjustable Use Cases
Suitable for bed frames, bed rails, headboards, footboards, bed posts, bunk bed ladders, new wood frames, existing wood frames and other wooden furniture.

Ease of Installation
Most customers praised the ease of installation, noting that the brackets were simple to use and effectively connected mismatched bed components.
8.9

Very Good

Our Rating

9.9
worth the money

9.7
Easy installation

9.7
Storage space
7

Yuleimy

2 PCS Bed Frame Brackets Adapter for Headboard Extra, Full to Queen Conversion Kit, Heavy Duty Bed Modification Plate, Headboard Attachment for Metal Bed Frame, Headboard Adapter Kit with Hardware
8.7

Very Good

Our Rating
8

appacare

2 Pcs Bed Frame Brackets Adapter for Headboard Extra, Heavy Duty Bed Modification Plate, Headboard Attachment Bracket with Hardware
8.6

Very Good

Our Rating
9

ZhouDaShu

ZhouDaShu Headboard Adapter Brackets, Bed Frame Hooks, Headboard Brackets for Metal Bed Frame, Headboard Attachment Kit, 2Pcs Hook on Bed Frame, Headboard Connectors for Full to Queen
8.5

Good

Our Rating

9.9
Easy to build

8.2
Easy installation

8.2
Durability
10

Furpopup

Furpopup 2 PCS Bed Frame Brackets Adapter/Connector, Headboard Brackets Connector Attachment Kit to Connect Headboard Footboard Adjustable Adapter for Metal Bed Frame, Black
8.4

Good

Our Rating

10 Best frame adapters of 2026

1

ATLAS Automotive Equipment Truck Frame Adapters, 1 1/2" Peg (1 Pair)

How do we rank?

How do we rank?

Analyzing top stores

2

Thule Frame Adapter, Compatible with Step-Thru, BMX, Non-Standard Frame Designs, Adjustable 18"-30.5" Length fits Most Frames

9.3

9.3

8.7

3

Retrospec Bike Rack Cross-Bar Adapter - Universal Top Tube Frame Mount for Car Racks - Adjustable 18-28in Bike Accessories for Step-Through & Suspension Frames - Tool-Free Installation, 45lb Capacity

9.7

9.5

9.1

4

KOPKIO 2PCS Heavy Duty Bed Frame Adapter/Connector Plate for Headboard, Adjustable Metal Frame Modification Brackets, Black

5

CAFORO Queen Bed Modification Plate, Headboard Attachment Bracket, Bed Frame Adapter Brackets, Bed Headboard Frame Conversion Kit Full to Queen Set of 2

6

2 PCS Bed Frame Brackets Modi-Plate Bed Frame Adapter/Connector, Heavy Duty Bed Frame Modification to Connect Headboard Footboard

9.9

9.7

9.7

7

2 PCS Bed Frame Brackets Adapter for Headboard Extra, Full to Queen Conversion Kit, Heavy Duty Bed Modification Plate, Headboard Attachment for Metal Bed Frame, Headboard Adapter Kit with Hardware

8

2 Pcs Bed Frame Brackets Adapter for Headboard Extra, Heavy Duty Bed Modification Plate, Headboard Attachment Bracket with Hardware

9

ZhouDaShu Headboard Adapter Brackets, Bed Frame Hooks, Headboard Brackets for Metal Bed Frame, Headboard Attachment Kit, 2Pcs Hook on Bed Frame, Headboard Connectors for Full to Queen

9.9

8.2

8.2

10

Furpopup 2 PCS Bed Frame Brackets Adapter/Connector, Headboard Brackets Connector Attachment Kit to Connect Headboard Footboard Adjustable Adapter for Metal Bed Frame, Black

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