For the Draw-Tite Sportframe Trailer Hitch Receiver - Custom Fit - Class I - 1-1/4", # 24847, the measurement from the center of the hitch pin hole to the end of the receiver opening is 2 inches. From the center of the hitch pin hole to the inner stop tab also measures 2 inches.
This hitch is designed to custom-fit the 2010-2015 Toyota Prius and the 2012-2017 Prius V. The hitch is rated Class I with an 1-1/4 receiver opening. view full answer...
I did some research on Uhaul's website and your Class I trailer hitch has a maximum tongue weight of 200lbs, so you will not have a problem carrying your two e-bikes. The Thule EasyFold XT Bike Rack for 2 Electric Bikes - 1-1/4" and 2" Hitches - Frame Mount, part # TH903202, is an excellent choice. It comes with a ramp to help you load and unload your bikes. This hitch bike rack will clamp your frame, making it easier for you to carry your bike with fenders. Your Trek Domane + is an aluminum... view full answer...