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I just converted my Addmotor M550 P7 fat tire bike to hydraulic brakes and like them better than the mechanicals, faster lower effort stopping. I do not see any negatives.

According to their article they are eating some of the cost and also said they have made some better deals with their suppliers that will lower their production costs and, that quality will remain the same as it has always been.

Thanks for the information Court.

Effective today Jan. 31, Rad is permanently rolling back their prices to pre tariff pricing. This will also apply to any bike purchased since Jan. 1, 2019. This company is great. The official text reads "In August of 2018, the sudden 25% tariff imposed on electric bikes shook the entire...

Hi again megaheat, I just noticed we are neighbors. I live in Ramona.

You are welcome, good luck and let us know what it cost when you get the final quote, bearing in mind that there may be an additional fee when you submit your credit card information to Alibaba.

Alibaba does not make batteries they just list a bunch of suppliers who do make them. I purchased a battery from one of the companies listed on the Alibaba site in Nov. 2018. It was a Dolphin style battery rated at 48 volts and 14.5 ah. The price was very good compared to the bike...

That was quite a write-up, very ingenious of you. Nice going.

Hi Rob, thanks for the reply. The 750 watt mid-drive motor on my Ultra Fat has 160 Nm of power but the 750 watt rear hub motor on my other fat bike has more pep.

Have you noticed if comes and goes as the motor engages then disengages or does it come and go while the motor is engaged.

Do any of you experience any unusual sounds from the Ultra motor when under power (pedaling or throttle). If so, how would you describe the noise. I have a sound similar to fine grade sandpaper on metal. It is not real loud but can definitely be heard. It is apparent whenever the motor cuts...

Does anyone out there who has a late model Ultra Fat hear any noise from the motor when under power and pedaling. I have the new All Terrain Ultra Fat and hear a hard to describe sound (like light sandpaper on metal) while pedaling in any PAS mode. The sound is definitely coming from the motor...

I see. I do not know why they are so bad on responding to emails. They seem like a responsible company but leaving customers hanging like that is bad for business.

Thanks for the update Klein. It's great they sent you a new battery. Keep after them on the motor issue, maybe use your personal email and then you will know for sure if they reply.

Write to M2S about the motor. If they bother to answer you they will tell you if the gearing was changed and what affect it would have. I just received their Ultra Fat a couple of weeks ago and it is a very nice machine. I also have an Addmotor M550 P7 750 watt hub drive and the difference...

Hey Klein, did you ever get any satisfaction from M2S, if so, how long did it take.

Hi Vern: I cannot address your questions on the specs., you might try writing directly to M2S for that information. I have noticed that some of their bike specs and pictures are for earlier models (the first models they sold) and various things have been upgraded on the newer models. As for...

You are welcome Al. I have the same sensor on my bike and took a look at it. If your sensor has the word Bafang impressed on the backside I believe the rounded area in the middle of the word is the sensor area.

Al, according to your picture the magnet looks like it is aligned properly. There may be a mark or line on the rubber cover and that is what the magnet should be pointed at. It is not supposed to point to the rounded area of the rubber covered sensor.

Apparently no one reading this forum has put a rack on the Kush. It no longer matters to me since i decided to get the Ultra Fat and it now comes with a rack if you want to install it. I got the Ultra on Sept. 21. I did install the M2S rack and then purchased a returned Topeak Explorer rack...