I just got my Rush Speed on 6/21. I waited for the Google software upgrade. I have burnt up S1 Tech Support! My display constantly started with a Battery Reserve indication, as in no battery charge left, although fully charged. 2 days and several emails later, they said they were pushing updates and others had the same problem. Oh by the way, turn off pinpoint accuracy, did the trick. Just one of the features I bought the bike for that does not work.
To the "range" issue. At first, it was fine. ECO 120 miles and the others were probably good also. After my 3rd short ride, on a full battery, ECO 33 miles. Today, full battery, ECO 13 miles.
Tech response: "The odometer on an electric bike is a new technology that has recently been added to Brose Motor eBikes (the motor found on the Serial 1 eBike). This mile estimation is based on a variety of inputs such as terrain, rider weight, cargo, and (most importantly) how your bike has been riding over the last 5-10 minutes of terrain. In short, the odometer is not the most accurate description on the battery life.
For example, if you are riding on a flat terrain for 20 miles in "Tour Mode" your bike will assume this is the terrain to expect in the future, therefore it will try to give you an estimate based on Tour Mode on the flat terrain and the rider cargo/weight over the last 20 minutes. If you quickly then switch to a steep incline, and you switch to "Boost Mode" your bike's odometer will be slightly off because you have changed modes as well as terrain. It would most likely take an additional 10 minutes of riding on that terrain in that mode to get a better estimate on the miles remaining feature. Again, the bike is doing its best guess to estimate this but we have found it not to be the most accurate at times. To summarize, the range will be more accurate as you stay in the same terrain and mode for the first 10 minutes of riding to allow the range to adjust.
In short, we recommend customers rely on the battery life bar on the left-hand side. If you are at a full charge and have been riding for a while and are now at half charge, you can expect about that same amount of life to get you back to your destination."
I'm not saying this explanation has it's merit, however, I purchased this specific $6K bike, on S1's marketing of the features. Now the "range" may never work.
I really want to love this bike, but so far, meh....