Since the Curt Hi Rise Hitch ball part # C40034 is designed for a 1 inch diameter hitch ball hole you'd need the hitch ball bushing part # 58184 to use it with the Curt ball mount # C45338 that you have. view full answer...
For starters, the Curt # C93CR Class III hitch you'd looked at would work perfectly.
For a trailer wiring harness, I'd recommend the Tekonsha # TK89FR trailer wiring harness. For a ball mount, use part # 40346 along with a # PC3 hitch pin. For a 1-7/8 inch ball, use # 19260 or # 63845 for a 2 inch trailer ball.
I've linked to the installation instructions for the hitch and the trailer wiring harness. view full answer...
I recommend using the Curt Trailer Hitch Receiver # C93CR on your 2023 Volkswagen Atlas Cross Sport. This receiver is made in the USA and has a lifetime warranty.
The T-One Vehicle Wiring Harness # TK89FR will give you a 4-way flat connector. This connector is most commonly found on smaller trailers and also can be used with Auxiliary Lights # C53201 on larger hitch mounted accessories. If you will be pulling larger trailers which have electric brakes you will need to add a 7-Way # ETBC7... view full answer...
The Curt Trailer Hitch Receiver # C93CR is the hitch you're looking for. This hitch is a confirmed fit for your 2023 Volkswagen Atlas Cross Sport. It is a Class III hitch with a 2" receiver so it should work with whatever bike rack you have. This hitch has a bolt-on installation and a maximum tongue weight of 750 lbs which will be more than enough for your needs. It also features a lifetime warranty. view full answer...
I recommend the Draw-Tite Max-Frame Trailer Hitch Receiver # DT96MR for your 2020 Volkswagen Atlas Cross Sport. I found that this receiver is easier to install than the Curt # C93CR that also fits your Atlas. You will not have to remove the exhaust hanger to install the receiver and torqueing the hardware is easier being as the hardware mounts through the side of the frame and not down through the frame.
For the 4-Way harness I always recommend the Tekonsha T-One Vehicle Wiring Harness... view full answer...
The 7-Way Trailer Adapter for Towing Trailers with LED Lights # C57003 is designed to just plug right in to the 7-way of your 2022 Volkswagen Atlas Cross Sport. It comes with a bracket that you could use to attach it to the bottom of the rear bumper fascia. view full answer...