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The Best Allen Bike Adapter Bar of 2022 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best Allen Bike Adapter Bar of 2022. Check our ranking below.

2,413 Reviews Scanned

SaleRank No. #1
ALLEN Tension Bar Bicycle Cross-Bar Adaptor, Black, One size
  • Enables bicycle transport by adding top tube to suspension, step through, bmx, and women's style bicycles
  • Internal spring maintains constant tension to securely transport bicycle
  • Plastic coated hooks protect your bicycle's finish
  • Fits bicycles with between 18" and 27" between headset and seatpost
Rank No. #2
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
  • COMPATIBILITY: Transform any hitch bike rack into a powerhouse that fits it all - from step-through frames to full-suspension bikes. No more struggles mounting unique bike designs (Not intended for e-bikes)
  • QUICK & TOOL-FREE SETUP: Skip the hassle of complex installations. This crossbar adapter clicks into place in seconds, getting you and your bicycle accessories on the road faster than ever
  • FRAME-FRIENDLY DESIGN: Protective coating on every hook keeps your bike's finish flawless. Whether you're hauling road bikes or beach cruisers, your frame stays scratch-free mile after mile
  • ADJUSTABLE FIT MAGIC: Handles any bike with 18"-28" stem-to-seat measurements. The built-in spring tension system locks your ride securely, ready for every car bike rack adventure ahead
  • TRAVEL-READY STRENGTH: Built tough to support bikes up to 45 pounds, this truck bike rack adapter keeps your wheels steady. Perfect for weekend warriors and daily riders alike
SaleRank No. #3
Swagman DELUXE BAR ADAPTER, black
  • CONVENIENT: The DELUXE BAR ADAPTER installs with the push of a button. The bar also includes a user friendly quick release to remove it from the bike easily
  • WORKS LIKE A CHARM: The frame easily attaches to your bike's seat post and handlebar stem post. This provides a horizontal bar so that it can hang on a top tube bike rack or use it to create a higher bar for ratchet arms. Maximum load capacity of 35 Ibs.
  • VERSATILE: This bike frame adapter bar is ideal to help secure kids bikes or any bike with a sloped top tube.
  • PROTECTS YOUR BIKES: With the vinyl coated hangers, you can have peace of mind knowing your bikes finish will not be damaged
  • STURDY: With a telescopic adjustment from 19" to 26" you can be sure it will stay put.
Rank No. #4
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)
  • NOTE: Weighed 3.54 lbs, length adjusted from 23” To 30”, max load 70 pounds. LOCKS WHEN OPENED TO THE WIDEST DIMENSION. If you bike is smaller, the crossbar can hold safely you bike too. But if you want it locks in any length, please don't order it.
  • 【Bike Bar Adapter for Bike Rack】: If you have a trunk or hitch-mounted bike rack for your car and a bike that doesn’t have a ‘standard’ horizontal top tube, you’ll need a crossbar adaptor to ‘bridge the gap’ and provide a temporary top tube for your bike. Our bike cross-bar adapter is perfect to modify the frame of a bicycle so that it can be carried on a car rack designed for a traditional diamond frame bike.
  • 【Capacity and Compatibility】: Our adjustable bike frame adapter that fits a variety of bikes. It has a telescoping tube that can be adjusted from 23” to 30”. NOTE: The bar can be extended to the correct length but only locks in the wide open position. It is also rated for bikes weighing up to 32kg/70 pounds - giving plenty of capacity for most bikes. Ideal for carrying bikes with non-traditional frames, such as ladies’ bikes, low-step or step-through bikes, BMX, kids’ bikes, and full-suspension mountain bikes.
  • 【Easy to Use】: The bike crossbar substitute consist of a simple, lightweight frame with Quick release latch mechanism makes it super easy and convenient and reliable to use. It’s super-simple to hook each end onto the seatpost/handlebar stem. Once it’s in place you can just load the bike onto your bike rack as you would with a standard bike. The hooks have large molded collars so are strong and hold your bike securely, but are gentle on the paintwork.
  • 【High Quality Material】: The crossbar adapter is made of sturdy steel. Oversized diameter tubing, anti-rotation inserts and a strap for greater stability. Installs quickly and securely to seat post and stem to setup a faux-top-tube so your bike mounts solidly to the car rack. 70 lbs max loading capacity per e bike/bike.
Rank No. #5
TANX CF-002A Bike Adapter Bar, Adjustable Bike Bar Adapter for Bike Rack, Mounting Non-Standard Frames on Step-Thru, Women’s & Folding E-Bikes, Heavy-Duty Design, Supports Up to 66lbs, Black
  • 【🔧 Universal Compatibility for Non-Standard Bike Frames】 Easily adds a temporary top tube to women's bikes, step-through, BMX, full-suspension, and folding e-bikes, making them compatible with most hitch or trunk-mounted bike racks.
  • 【🛡️ Protective Plastic-Coated Hooks】 Durable, scratch-resistant plastic-coated hooks securely attach to your bike’s seat post and headset, preventing damage to the paint or frame finish during transport.
  • 【📏 Adjustable Length for Secure Fit】 Mounts between the seat post and handlebar stem, adjustable to fit bikes with a seat post-to-headset distance of 22" to 26", ensuring a snug and secure hold.
  • 【💪 Heavy-Duty Design with High Weight Capacity】 Engineered from robust steel, this adapter supports bikes up to 66 lbs (30 kg), ideal for heavier e-bikes or carbon frames that need extra care.
  • 【🧳 Ideal for Travel and Storage】 Lightweight and easy to install or remove without tools—perfect for travel, road trips, or compact storage when not in use.
Rank No. #6
Allen Sports Crossbar for Transport on Step-Through Style Bikes, Model ZN900 Black, 1-Bike
  • Model 900B
  • Creates a top tube for non-conventional frames
  • Internal spring keeps your bikes secure. No assembly required
  • Plastic coated hooks protect bicycle's finish
  • Lifetime on workmanship and materials
Rank No. #7
Allen Sports Deluxe 2-Bike Rack, Bicycle Adaptor Bar Combo Pack, Model 102900CP , Black
  • Simple, sturdy design fits most sedans, hatchbacks, minivans, and SUV's. Consult manufacturer's Site for specific vehicle fit
  • Includes bicycle adaptor bar for easy bicycle transport by adding top tube to suspension, step through, BMX, and women's style bicycles
  • Individual tie-downs secure and protect bicycles
  • Fully assembled, Installs in seconds
  • Padded lower frame protects vehicle, and left and right side straps for lateral stability
Rank No. #8
Quadratec Adjustable Bike Bar Adapter for Bike Rack - Bike Rack Accessories Bike Bar Bike Rack Crossbar Adapter Bike Rack Top Tube Adapter Bicycle Bar for Bike Rack - Adjust from 23.5 to 31.5 inches
  • SECURE YOUR BIKES WITH EASE - Quadratec's bike rack adapter bar for bike rack connects to your bicycle seat post and reaches across to the handlebar stem to provide a safe and secure top tube for hanging onto a bike rack carrier
  • ADJUSTABLE FOR A PERFECT FIT - the telescoping design of the bike rack bar accommodates most standard sized adult and kids bicycles and can be adjusted from 23.6" to 31.5 inches. It can support bikes weighing up to 33 lbs
  • QUICK-RELEASE BUTTONS - the bike rack bar adapter is is spring loaded and features quick-release buttons that provides an easy load and unload process that takes only seconds
  • ROCK-SOLID AND DURABLE - the vinyl coated clamp on the bike crossbar adapter protects your bike from marring and scratching, and the bike cross bar adapter's satin black powder coated finish ensures years of hassle free service
  • FITMENT NOTES - the bicycle cross bar tube adapter works on bikes with a seat post diameter of 1.185" or 30.1mm or less, but will not fit larger seat post sizes 30.8mm and 31.6mm
Rank No. #9
Bike Crossbar Adapter for Bike Rack - Top Tube Cross-Bar Adjustable - Bicycle Bike Adapter Bar for Low-Step Step-Through Bikes, BMXs, Ladies and Kids Bikes 70 lbs Capacity (Bike Crossbar)
  • 【BIKE BAR ADAPTER FOR BIKE RACK】- If you have a trunk or hitch-mounted bike rack for your car and a bike that doesn’t have a ‘standard’ horizontal top tube, you’ll need a crossbar adaptor to ‘bridge the gap’ and provide a temporary top tube for your bike. Our bike cross-bar adapter is perfect to modify the frame of a bicycle so that it can be carried on a car rack designed for a traditional diamond frame bike.
  • 【CAPACITY AND COMPATIBILITY】- Our adjustable bike frame adapter that fits a variety of bikes. It has a telescoping tube that can be adjusted from 23” to 30”. NOTE: The bar can be extended to the correct length but only locks in the wide open position. It is also rated for bikes weighing up to 32kg/70 pounds - giving plenty of capacity for most bikes. Ideal for carrying bikes with non-traditional frames, such as ladies’ bikes, low-step or step-through bikes, BMX, kids’ bikes, and full-suspension mountain bikes.
  • 【EASY TO USE】- The bike crossbar substitute consist of a simple, lightweight frame with Quick release latch mechanism makes it super easy and convenient and reliable to use. It’s super-simple to hook each end onto the seatpost/handlebar stem. Once it’s in place you can just load the bike onto your bike rack as you would with a standard bike. The hooks have large molded collars so are strong and hold your bike securely, but are gentle on the paintwork.
  • 【HIGH QUALITY MATERIAL】- The crossbar adapter is made of sturdy steel. Oversized diameter tubing, anti-rotation inserts and a strap for greater stability. Installs quickly and securely to seat post and stem to setup a faux-top-tube so your bike mounts solidly to the car rack. 70 lbs max loading capacity per e bike/bike.
  • 【PERFECT FOR BIKE】- The bike beam top tube adapter, by creating a virtual top tube for non traditional frames, lets you bring any bike along for the ride. The simple mounting mechanism assures you that your bike is securely held with a strong, snapping, motion. Perfect for bikes that are hard to mount to your rack or storage unit.
Rank No. #10
Venzo Bike Top Tube Cross-bar Frame Adjustable Adapter for Bike Car Rack or Home Storage Stand - Great for Y-Frame Kids Ladies Dual Suspension Cruiser MTB Road Bicycles - Capacity 18kg/39.7Lbs (1)
  • DURABLE AND SAFETY: Oversized Diameter Tubing And Anti-rotation Inserts For Greater Stability, Protects Your Bike's Finish With Non-Marking Plastic Clamps. Constructed Of Rust-resistant, Sturdy Steel With Black Powder Coat Finish.
  • DESIGNED FOR USE: Ideal For Mounting Your Bike To A Car Rack Or Home Storage Unit, An Alternative Way Which Allows The Bike Didn't have One Straight Bar Cross, To Have Extra Clearance When Putting Your Bicycle on Hitch Boot Bike Ute Tow Ball Spare Wheel Car Rack or Vertical Home Bike Storage Rack
  • EASY TO USE: Installs Quickly And Securely To Your Seat Post And Stem To Adopt A Wide Range Of Bikes For Transport, Keeps Your Bike Mounted Solidly On Single And Dual-arm Mounts Attaches To Your Bike's Seat Post And Handlebar Stem Post. Easy Push To Operate Pin And Interlocking Gate Keeps Each Clamp Closed.
  • CAPACITY AND COMPATIBILITY: Adapter That Makes Your Bike Compatible With Most Mast-style Hitch Racks; Bike Capacity: 1 Bike Weighing Up To 18kg/39.7lbs - Great for Kids Ladies Dual Suspension Cruiser Small Mountain Road Bikes and Sloping Down Tubes. Note: DOES NOT FIT if it’s a kids bike that is smaller than 20” wheels OR if the distance from your seatpost to handlebar post is shorter than 58 cm / 22"
  • VENZO QUALITY: ORDER NOW, WORRY FREE! Made in Taiwan We're So Confident About Our Product Quality That If You Have Any Product Issues, We’re Very Happy To Either Provide A Refund Or A Replacement On Your Purchase! We’re Also Here To Support You If You Have Any Questions Or Queries, Please Get In Touch And We’ll Gladly Help.

Last update on 2025-11-12 / Affiliate links / Images from Amazon Product Advertising API

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