I generally take it pretty easy on my ultra motor but today I throttled it hard trying to beat the rain getting home. I was doing 30+mph for maybe six miles. When I got home I felt the battery which was not hot so I was happy about that. I then put my hand on the shell of the motor and it was very warm but not hot. I could keep my hand on it without difficulty. Will these motors fail early if pushed hard? Would the glue holding the magnets let go? Would the magnets themselves overheat? How hot is TOO hot? The motor has 3,500mi. on it and has never skipped a beat. The bike is on it's second chain but the OEM cassette and front sprocket. I cringe a little when using the throttle thinking about all that power going through that little bicycle chain but so far, so good
How hard can you push a Bafang Ultra motor
- Thread starter DDBB
- Start date
RunForTheHills
Well-Known Member
- Region
- USA
I am pretty sure that the Bafang Ultra has an internal temperature sensor to protect it from overheating. Riding it uphill in a high gear would stress it more than just going fast on the flat.
Gionnirocket
Well-Known Unidentified Member
- Region
- USA
- City
- Y. O.
I concur.
I'd watch current draw way before speed. These motors love to spin and traveling fast adds cooling so you can probably run it all day long without issue. Now slamming high current in or being in too high of a gear is much more detrimental, especially when climbing.
If you haven't cracked it open yet to grease the gears... You're overdue.
I'd watch current draw way before speed. These motors love to spin and traveling fast adds cooling so you can probably run it all day long without issue. Now slamming high current in or being in too high of a gear is much more detrimental, especially when climbing.
If you haven't cracked it open yet to grease the gears... You're overdue.
