You can use the Semi 4.0 Add On with many frames and styles of bikes including those with 20” to 29” wheels and tire widths up to 3”.  It secures your bike by its wheels without touching your frame, making it ideal to use with carbon framed bikes. 

Converts Semi 4.0 to a four bike rack

Maximum weight capacity of 45lbs per bike

Simple to install and use

Zero frame contact

Fits tires up to 3” wide 

Fits wheels 20” to 29” in diameter

Fits Class 3, 2” hitch receiver

Locking threaded hitch pin and integrated locking cables