10 Best frame crossbars of 2025

Explore top picks

Best Choice

1

Thule
Thule Frame Adapter - Bicycle Cross Bar, Black
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
- Dimensions:11.81 x 1.57 x 1.57 inches
- Weight Limit:50 pounds
- Compatibility:womens, BMX, kids bikes
- Mounting Type:Strap
9.8

Exceptional

Our Rating

9.3
lasts a long time

9.3
Easy installation

8.7
Simple to use
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Value for Money

2

CXWXC
Bike Crossbar Adapter for Bike Rack (32kg/70lbs) - Top Tube Cross-Bar Adjustable - Bicycle Bike Adapter Bar for Low-Step Step-Through Bikes, BMXs, Ladies and Kids Bikes (1 PC)
Main highlights

Key Features
Adjustable, locks at maximum length, supports up to 70 lbs, easy-to-use quick release, made of sturdy steel for secure bike transportation.

Ideal Use Cases
Perfect for bikes with non-standard frames like ladies, BMX, and full-suspension mountain bikes, ensuring compatibility with traditional bike racks.

Customer Praise
Most reviews highlight its robust build and reliability, ensuring bikes are held securely and safely during transport.
Key specs
- Load Capacity:70 pounds
- Dimensions:25.5 x 49.8 x 1.8 inches
- Weight Limit:70 pounds
- Compatibility:Variety of bikes
- Mounting Type:Crossbar adapter
9.7

Exceptional

Our Rating
3

Allen
ALLEN Tension Bar Bicycle Cross-Bar Adaptor, Black, One size
Main highlights

Key Features
Adds a top tube for bike transport, with internal spring for tension and plastic-coated hooks to protect the bike`s finish.

Ideal Use Cases
Perfect for transporting suspension, step-through, BMX, and women`s style bicycles with 18-27 inches between headset and seatpost.

Customer Reviews Highlight
Most praised for its ability to securely transport various bike styles without damaging the finish.
Key specs
- size:One Size
- color:Black
- material:Alloy Steel
- mounting:Bicycle Mount
- sport:Cycling
9.5

Excellent

Our Rating

9.9
lasts a long time

9.9
Easy installation

9.9
Simple to use
4

Dunzy
Dunzy 4 Pcs 3'' Double Crossbar Hanger Wedding Valance Hanger for Backdrop, Pipe and Drape Backdrop Stand Kit Double Stand
Main highlights

Sturdy and Reliable Construction
Made of steel, these hangers are durable and long-lasting.

Ideal for Weddings and Events
Perfect for creating beautiful backdrops at weddings and events.

Easy Installation with Pipe Systems
Compatible with pipe and drape sets for quick setup.
Key specs
- product dimensions:2.99W x 0.11H
- size:4.5 Inch
- color:Silver
- shape:Hook Shape
- material:Alloy Steel
9.4

Excellent

Our Rating
5

Retrospec
Retrospec Bike Rack Cross-Bar Top Tube Adjustable Adapter, Black, 18"-28" (3545)
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
- Dimensions:14 x 16 x 4 inches
- Weight Limit:45lbs
- Compatibility:18-28 stem-to-seat post
- Mounting Type:U-Bolt
9.3

Excellent

Our Rating

9.7
Easy installation

9.5
Simple to use

9.1
Durability
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6

TRAPSKI

Bike Frame Crossbar Adaptor for Suspension Frames, Step-Through Frames, BMX/Kid's Frames, Women Frames, Max 35lbs, Black | 3 Year Warranty | USA Veteran Owned Business (Crossbar)
9.0

Excellent

Our Rating
7

KAC
KAC Ride Bike Frame Adjustable Telescopic Bicycle Cross Bar, for Y-Frame, Dual Suspension & Cruiser Bikes, 1 Pack
Main highlights

Key Features
Rust-resistant steel, non-marking clamps, easy install. Offers durable protection and a black powder coat finish for bikes.

Ideal Use Cases
Perfect for cyclists needing a reliable clamp that won`t damage the bike`s finish and is easy to attach to the seat and handlebar posts.

Customer Praise
Most reviews highlight the clamp`s durability and the protective, non-marking feature as their favorite aspects, appreciating its gentle yet sturdy hold.
8.9

Very Good

Our Rating

9.9
Easy to build

9.5
Easy installation

9.5
Simple to use
8

COTTONWOOD HARDWARE

Cottonwood Hardware Window Screen Spreader Bar Clips 25-Pack - Insect Screen Horizontal Rail Bracket for 5/16" Screen Frame Bar -OR- 5/16" X 9/16" Spreader Bar, Made in The USA
8.7

Very Good

Our Rating
9

Hecis

Hecis 9" Double Crossbar Hanger Backdrop Hanger Crossbar Valance Hangers for Pipe and Drape Backdrop Stand Kit(9" Hanger, 2 Pack)
8.6

Very Good

Our Rating
10

BUNKER INDUST
BUNKER INDUST Bike Bar Adapter Bike Rack, Bicycle Top Tube Cross Bar Rack Adjustable Bike Frame for Bike and Ebike, Wight Capacity 70 LBS
Main highlights

Adjustable Compatibility
This Mobi bike bar adapter can be adjusted from 22.24 to 32.28 inches, making it suitable for ladies, children's, and mountain bikes without cross bars.

Perfect for Transporting Bikes
Ideal for securely transporting bikes on car racks, especially those without a level bar, ensuring a firm hold even on bumpy roads.

Highly Praised for Ease of Use
Customers appreciate the ease of installation and secure fit, with many highlighting its ability to prevent scratches and securely hold bikes.
8.5

Good

Our Rating

8.4
lasts a long time

8.2
Easy installation

8.2
Simple to use

10 Best frame crossbars of 2025

1

Thule Frame Adapter - Bicycle Cross Bar, Black

9.3

9.3

8.7

How do we rank?

How do we rank?

Analyzing top stores

2

Bike Crossbar Adapter for Bike Rack (32kg/70lbs) - Top Tube Cross-Bar Adjustable - Bicycle Bike Adapter Bar for Low-Step Step-Through Bikes, BMXs, Ladies and Kids Bikes (1 PC)

3

ALLEN Tension Bar Bicycle Cross-Bar Adaptor, Black, One size

9.9

9.9

9.9

4

Dunzy 4 Pcs 3'' Double Crossbar Hanger Wedding Valance Hanger for Backdrop, Pipe and Drape Backdrop Stand Kit Double Stand

5

Retrospec Bike Rack Cross-Bar Top Tube Adjustable Adapter, Black, 18"-28" (3545)

9.7

9.5

9.1

6

Bike Frame Crossbar Adaptor for Suspension Frames, Step-Through Frames, BMX/Kid's Frames, Women Frames, Max 35lbs, Black | 3 Year Warranty | USA Veteran Owned Business (Crossbar)

7

KAC Ride Bike Frame Adjustable Telescopic Bicycle Cross Bar, for Y-Frame, Dual Suspension & Cruiser Bikes, 1 Pack

9.9

9.5

9.5

8

Cottonwood Hardware Window Screen Spreader Bar Clips 25-Pack - Insect Screen Horizontal Rail Bracket for 5/16" Screen Frame Bar -OR- 5/16" X 9/16" Spreader Bar, Made in The USA

9

Hecis 9" Double Crossbar Hanger Backdrop Hanger Crossbar Valance Hangers for Pipe and Drape Backdrop Stand Kit(9" Hanger, 2 Pack)

10

BUNKER INDUST Bike Bar Adapter Bike Rack, Bicycle Top Tube Cross Bar Rack Adjustable Bike Frame for Bike and Ebike, Wight Capacity 70 LBS

8.4

8.2

8.2

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