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radpower finally got back and it is caused by moisture building up in either the throttle or the wiring harness on the bike. They are sending me the replacements for both of these parts. Hope it is it...

thanks for everyone help. My son and I went to bike today and fortunately, no issue today. not sure what caused the problem and I feel like I chasing a ghost... still no response from radpower support? I would expect some troubleshooting suggestions. Anyway, I will ask my son to pay...

thanks, I just rolled the bike back and forth. when I rolled back, the pedal was rotated as well. and when I rolled it forward and the pedal stayed. I tried several mins with power on and power off. when I rolled it backward and I could listen some motor rolling sound... when I rolled...

thanks, I didn't check the throttle and he did use throttle a lot. :)

when he stopped at the red light with me. he recalled that he did roll the bike forward a little by his foot and NOT by the pedals and he applied bike and the motor stopped. once he releases the brake, it kept moving again. I have tried to reproduce the issue again since and no luck. But in...

My son was riding the radmission (only 50+ miles on it) in the past weekend with me. When he stopped in a redlight, his bike still kept up moving (like a walk mode). I tried it myself, and It happened to me once. It didn't happen all the time. I thought the walk mode of radmission only...

appreciated your suggestion. I will take off the brake pads and got a new pair to try.

got the core 5 last week and had two road trips. total 30 miles in a pavement road. today, both front and rear brakes were making a lot of squeaky noise. I tried to use alcohol to wipe both discs and made sure all screws were tight. still having some squeaky noises. anyone know what else...

I live in MA and ride1up didn't charge me sale tax. but radpower did.

RAFBIPPCP8C enjoy.

I have this bike since last year and I finally admitted that lack of throttle is not good in one condition. when u tried to take a rest in a steep hill and ride up again. Other than that...it is the best bike out of other ebikes I have (core 5 ), jetson bolt pro and rad mission (coming this...

does anyone know how to lower the top speed for core 5 from 28mph to 20mph. or is it possible?

i rather to pay $100 more to get a brand battery (LG or Samsung) than an unknown brand. I just ordered by second bikes from them for my oldest son since he liked my Ride1up roadster and I used the plege discount to get $40 off. 😁 the $100 increase is still a good deal since we get good...

I just got my core 5. I needed to assemble the fork, the bearings, the handbar, the chain...and etc. it is very different from my experience with my roadster v2. I bought my roadster v2 last year and it was so easy....just the front wheel and seat....

Hi I just purchased a rad mission for my youngest son and I received a $50 discount code for next order. if anyone is looking to get a new rad. let me know and I can also get a $50 too. 😁 I already owned 2 other ebikes from ride1up (core5 and v2) and I don't think that I will get another...