As with any offroad parks, crossbars, rooftop tents, lit kits, bumpers, adding weight, etc the efficiency will decrease pretty significantly.
For reference, 2020 New Defender X got 15mpg stock, that turned into 9mpg once it had a rack, rooftop tent, side ladder and box, lift rod kit and...
You should expect a 10-15% range loss with any rack on any vehicle depending on how fast you drive. Most customers are getting 405-450wh/km experiences with our Rack, I have heard as low as 350, but I drive faster...
ours blew the motor, Aprilia rebuilt under warrantee, we sold it and the next racer blew it up again after 3 trackways and a race weekend... We won't buy another Aprilia anytime soon.
We have a fully built Ninja400RR with 600 miles if you know anybody interested... $15k, nothing needed...
On our new CyberCamper RS2.0, we remove the aluminum part at the back of the moon roof to give more space. We have a kit that runs bars across so you could use as a shelf. On mine I am using foam boat flooring, looks kind of like wood to keep glass from scratching.
Put the water rinse kit in...
Thats great news for guys who don't want to upgrade the part till it's broken and have the OEM spare. I 100% support this for most owners. If you have that Tesla part number, can you please share it here so people can order a spare now and not wait 2 weeks if a problem ever happens?
And anybody who reads this thread and wants a single part to keep under the seat to use in emergency, they are interchangeable, Message me and I'll give you a coupon for half a set.