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I have a 2019 City Step Thru and live in a very flat terrain area (SoCal], so I am very happy with my purchase. I am 5-10, 155# for reference. That being said, I think you would be better served with the Runner Plus over the City considering the hill and hip/knee issues. Based on posts on...

That does sound peculiar. When you set to a lower PAS level, do you continue pedaling as you do that or do you stop pedaling for 1-2 seconds, then resume pedaling? I’ve found with my 2019 City Step Thru you must stop pedaling for a brief period so the display reads zero watts when going to a...

Can you elaborate further on what freezes? You can’t move the pedals forward or backward? The motor doesn’t work with the throttle? What gear are you in? Does the bike roll easily? Etc. Pas-0 will be more difficult to pedal as you have turned off the motor assist and are pedaling a very...

I think this YouTube video by Bolton explains the various settings for programming the controller: Regarding the throttle issue, it could be that 1/4 twist using the Rad controller feeds 200 watts to the motor whereas the same 1/4 twist with the Bolton controller may feed it 400 watts (I do...

I thought my charger got extremely hot while charging, so I use a small usb powered fan to blow air on the charger. It only takes 2 watts and blows a lot of air to keep the charger much cooler.

One last thought to rule out any issues with the bike: Do you have a younger relative/friend/neighbor in good shape that could attempt riding the bike up the hill to see how it performs? That might give you a clue as to any motor or battery performance issues. If the person can handle the...

170 ft rise over 2640 ft distance (sin 170 / 2640 = .0644) is about a 4 degree angle or 6.5% grade. I think a geared hub motor would serve you better as it has much more torque at low rpm’s, which is what your situation is calling for. The motor shaft spins at a 5:1 ratio vs the bike wheel...

For more info about your situation, how long and steep is the hill you are trying to pedal up? Is it 100 yds long? 500 yds? A quarter mile? The trip meter on your bike while riding downhill would tell you. Do you know or could you guess the elevation rise over that distance? You don’t need...

I will defer to others more knowledgeable regarding better torque-performing bikes that may suit your needs better than the Rad City, but the new Juiced Scorpion is a mighty nice looking bike that may interest you. It has a 52-volt 13 ah battery and says it has lots of torque, but I cannot...

It would be helpful to those of us responding in this thread what step-thru bike you have. Is it the City, Rover or Mini? The City has a direct drive motor, the Rover and Mini have a geared hub motor. The geared hub motor has twice the rated torque as the DD motor. I’m not too sure the...

Could your friend try temporarily turning off the system (via the center Mode button) while coasting downhill? I would think that would remove any controller-induced braking or speed limiting. When they get to the bottom of the hill or their speed gets significantly below 25mph, then press the...

The RAD website for the battery accessory states: All 2018 and newer model ebikes

Here a a couple of pictures of the derailleur adjustment screw. I would recommend turning it clockwise 1/4 rotation and try pedaling. If no change, turn 1/4 clockwise again. If the clicking goes away, switch to another gear and see how it pedals. If the clicking gets worse after making the...

Is it making the noise when you run on throttle only (not pedaling)? If you are getting the noise only when pedaling, then I think you need to tweak the derailleur adjustment screw until the clicking sound goes away. Contact Rad support to look on YouTube for some videos on how to do this. It...

The video/audio sounds to me like it may be trying to switch gears. What gear are you pedaling in? Have you tried making tiny adjustments to the derailleur via the thumb screw? My 2019 Rad City ST had this issue when I first rode it. I had to tweak the derailleur adjustment so it would shift...

I have a 2019 City StepThru. I have found that you need to stop pedaling so the display reads zero watts when lowering the PAS setting. Otherwise, it seems the controller will still allow the higher amount of watts to the motor. You can increase the PAS level while pedaling and it will take...

Would you be able to enlighten the rest of us as to the insane plug and play Rad battery option you found? Thanks! - RangerDave

Rad City ST assembly was pretty simple and straightforward. I watched the YouTube video several times so I knew what to do when the box arrived. I think it took about 1.5-2 hours, but I took my time and unpacked and unwrapped each piece carefully. I was by myself for the most part, then...

I'll chime in here with my experience riding a 2019 Rad City Step-Thru. It uses the same direct drive motor as the Wagon. My City is 1 y/o and coming up on 1,000 miles. Best, most fun, $1500 I've ever spent. Lots of smiles-per-mile. I split biking time between it and a regular (non-ebike)...

Sorry.... meant to include 2019 in the thread title. Still a great opportunity.