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Still have jerky pause before assist kicks in !

on rail trails Yes, in traffic and tight techie trails, ain't NO WAY

Bafang Ultra M620 question . has anyone / Dealer found a way to program the CANbus controller ? Help please.

In my defense, I have 3 main issues, speed is the least of my worries. The Jerky / pause after I stop pedaling (forward momentum keeps going a few seconds, around 10 yards) then (the Pause when you star pedaling ) on the M620 CANbus motor ?Very unpredictable !

I did the Dengfu Build they sent the Canbus motor,SUCKS dangerous piece of s*it. They will do Nothing.

A lot of trail systems around have park rangers & trails are limited to a Class 1 E-bike 20mph max and No throttle .

My@$%^%%^ ultra programed MAX speed 37 mph , I work in the parks in PA. LAW 20 mph MAX Not very happy at this time.

New ,8 miles on it, This is why I use PayPal !

Help with Wheel size and Max speed ?

Get your magnet closer to Sensor !

Thanks ! I ended getting aUltra M620 Direct from Bafang .Non Programable !. I have 3 issues; 1. Can't enter Wheel size, Spedo & milage is off. 2. The Max speed is set at 37 mph. illegal for me ,I need Max 20 mph. 3, Run-on, stop pedaling and motor keeps forward momentum (for a few seconds About...

Bafang BESST tool . Dose anyone have ore used one ?

Unprogrammable Canbus M620 motor ,any updates or fixes ?

I just talked to Bafang USA Tech Department ,he asked for Serial of motor & display . I explained my problems. I will post results. How long have you been dealing with this mess ?

PS Information on the Display is not programable

Now you have me thinking, the wire connectors are the same,on the motor. Just the Cord running up to the Display Has the New "CANbus" Connector ? Here is what i have.

Pittsburgh Pa.

UART connector

New connector = CANbus & old Connectors= UART

I will send a picture of the new connector shortly.