If you're planning on doing some light-duty towing, you'd want Draw-Tite #24892, along with the # 118528 trailer wiring harness and the 1-7/8 inch diameter trailer ball, part # 19256.
The Curt # C11302 would install in essentially the same manner, using the same attachment points, and has an identical weight capacity. However, Cut requires the use of a stabilizing strap # 18050 to provide extra support to non-trailer loads. The strap doesn't work well with some vehicles, so I typically... view full answer...
The various roof racks we have to fit your 2017 NIssan Juke with a bare roof do indeed have weight ratings and bar spreads that vary from product to product. All racks are shown on the page I linked for your reference.
In general, a wider bar spacing provides greater stability for whatever is attached to the rack, whether that's your bike rack or your kayak. Wider bar spacing simply gives you a potentially steadier setup. For kayak transport 24-inch bar spacing is considered the minimum... view full answer...
Aside from the manufacturers there is very little difference between the Draw-Tite Trailer Hitch # 24867 and Curt Trailer Hitch # C11088 that fit your 2017 Nissan Juke. The biggest difference is that Curt recommends using Stabilizing Straps # 18050 for all accessories such as bike racks and cargo carriers.
Due to that and Draw-Tite's strong reputation for making very high-quality hitches I recommend going with the Draw-Tite # 24867. This is a Class I hitch with a 1-1/4 inch receiver that... view full answer...