Thank you for sharing your thoughts and suggestions. It really gives you a wonderful idea of what to expect out of the different size motors. Thank you for taking the time to put your videos together. Happy cycle touring and just getting around town. 🙂

Good video Jack, it showed clearly how the bike works and how much power is required.

Jack I love you stuff, especially your epic SunTour to China. I have lived and worked in China so appreciate the problems.

Thanks from the US , for taking your time to do this !!!

Many thanks for your help and fast response, a true gentleman. Oh.. and great film making.

Hi Jack. Nice videoes and fantastic Sun Trip to China :-) Very good motorsize-video with relevant information ! I think it's important to note too, that even though e.g. the 250W Bafang centermotor can deliver at least 500W (like most 250W motors), it can only manage 500W for a shorter time without overheating, depending of eventually cooling airflow and ambient temperature. I think the sweet 250W Bafang centermotor fits our small hills in Denmark fine. I have it in my velomobile (40kg heavy 3 wheeled fully enclosed recumbent with motor and 10Ah battery + 70 Kg driver. Weight could maybe be compared to a loaded touring bike) But for the mountains e.g. in the south of Europe, I think at least 500W Bafang centermotor would be better, because it has some reserve(1000W) and better can manage 500W for longer time without overheating, when necessary now and then. Even though the 250W motor would be great help together with pedalling, in the mountains... just need to take care of the motor-wattage then. Kind regards, Kjeld, Denmark

i have bbs02b 36v 500 w kit with 790 led controller. with low assist climb to 144 m to 390 m at 12 km in 35 minutes. I think that's enough. i am 184 cm 92 kg. low assist mode the engine is spending or not spending 250 watts. I have never run it in higher mode, it is more than enough.

Congrats on 2000 subscribers!

Good video mate. The 250 watt limit is ok for a light weight load i think. If you are a big dude with heavyish bike , it's almost useless . I'm about 110 kg (on a good day)with a fairly big carcass to push through the wind , add a 13 odd kg mountain bike before you add the weight of a battery, motor and bits and pieces , and anything other than flat road and a favorable wind and it is barely worth having imo. It may be a tad better with a mid drive set up. But with a 250 watt hub motor i wouldn't bother , most disappointing. .

I don't think I'd like to have only 250W. Just got back from a 70km day out, 90% of which was on gravel or compact clay trails. Mostly flat, with a couple of steep climbs (steepest part was about 30%). My bike with BBSHD & 14s9p battery and panniers weighs about 40 kilos and I weigh 100 kilos. Most of the time I was using 100-150W. On the climb I was using up to 700W. Average speed about 18-20 kph. At the end of the run, Cycle Analyst was showing 5.9Wh/Km.

Thank you that is very informative 👍

Hello guys! I would like to upgrade my bike to an ebike and i''dont know which motor to choose...Im doing deliveries in a really hilly area and its really tiring to do 4 days a week... I would use the bike most of the time with pedal assistant and im doing a day like 40-50 miles .So what you think which would be the best > 250 , 500, 750, or 1000? Any answer much appreciated!!!

Jack, revisiting your old videos. You had a mid drive then a hub motor more recently for the last sun trip. Is regen more important than mid drive through the bike gears? Did you go through a igh like you later had? Just all a question of riding in mountains but also flats

What's the model of the power meter on your handlebar? When solar powered you probably use two of them? (Input and output)

nice video! I was wondering, do you miss generative breaking? would not be much easier in your brakes then? What about your solartrip? did you used many sets of brake pads? I wonder what is better for touring, free hub with no regenerative breaking, like your bbshd or a coupled drive with regenerative breaking.

really useful. are you running 48 or 52v? Im in too minds for mine. I want to go for a larger chainring, maybe a 52, to give a higher top speed since it'll be a road(ish) bike. But if i put a 52v battery on it and a full assist or throttle ill end up burning something out. Which since I want it as a commuter wouldn't be wise. I have enough cells for either 13s10s or 14s10p but i dont want to be rebuilding packs.

Jack, with your Bafang middrive what programming settings do you use? I'm trying to programme mine with range in mind but there are so many options out there I'm a bit befuddled.

What's is the second display you have on the handlebar?

great vlog, just subscribed, just wondering how much it costs to re charge, and where do you re charge.

Hi Jack, I don't know if you'll see this question, but what are you using to attach the thumb throttle to the side of the handlebar?

Thank you

Thanks SO much for your information about how to program the display password, If somebody try to steal my SONDORS Thin ELECTRIC BIKE is gonna be very difficult!

Where is your ebike build vid?

hi, I have had a 1000w hub ebike to get to gym for over a year, but want to tour wild camp on an ebike any advice please wa even thinking of taking genny as they start at 9kg, or at a push cube just made a touring ebike, my 1000w only does 15miles on low assist and 8 miles full power, so cant use this I think.

A 250W motor does not have a maximum power of 250W, it is the ideal/average power. Most 36V 250W motors are 15A max, some are 18A max. A 26V motor is 20A max. So, they can all deliver over 500W. If you wanna climb hills, Watts is not the only thing to look at. You need a lot of torque.

I have a 500W bafang hub and I will say that on the flat with full pedal assist you go amazingly fast. On hills depending on how heavy your bike is, your level of fitness and the incline you notice you do get a workout. But I'd say it reduces the effort on a good climb by about 60-70%. I agree, beyond 500W it's pretty much unnecessary as at that point you're essentially a motorcycle.

Good ride! Well I will ride this bafang BBS 250 WATT, but I can see that you are running with around 54v? Is that possible? Because in the specifications it said that works with 36v. Thanks for you answer.

Im thinking of getting the 1000 watt hd motor conversion kit... and a 20amp battery... so im thinking that will keep me from straining and wearing out the motor and draining the battery too quickly... 1000 watt isnt exactly legal in the u.s. but its not like ill ever be doing a high enough speed for a cop to know... i want the big motor for torch not speed.... 20mph is a comfortable speed for me

Hello, can 250watts outrun pro cyclist? With pedal assist of course. I can do 37kph on my mountain bike and 45kph on my roadbike. I wonder if 250watts can still help me maintain 45kph on flat.

Hi there, how do you wire your Cycle Analyst and the Bafang for speed, if your using the Phaserunner?

I'm doing a hub on a fat mountain bike. 1000 watts. Price difference is why I won't go middrive. I have a hub on my other single speed fatty it hasn't ever given me trouble and I've beat the heck out of it.

One question when you buy the 250W engine does it come with a charger??

As a newbie to all things electric I found this really useful. I hope to put assist on my touring trike. Shame in the UK we can't go to 500w without insurance, registration, helmets etc. Thanks Jack.

Can this get you 80 miles a day and does it affect your peddling when battery is dead?

Hi ..you mentioned that you have to register your bike ,can you explain the process please as I’m very interested!! Also you mentioned your motor is 250w , I have never seen a BBSHD that size for sale ??

What power meter are you using? Can you get it on eBay or Amazon?

Hub motors are great lol, I have seen them with over 10,000 MILES and still going strong, you can not say that about those nylon gears you were talking about. Besides, if your chain breaks, crankset gets damaged, derailer gets damaged ect. you are stuck with a useless ebike with mid drive. A hub would still get you home or if you hurt your leg ect it would get you home safe. The wheel are made for the motor and the spokes are 12 gauge stainless steel.. they are very strong. I hit downhill tracks with my hub motor lol and it is fantastic. I think an ebike needs both a hub and mid drive, hub for high speed and reliability and mid drive for steep hill climbing. Or just use a second hub in the front as well. That works too.

I'm confused why your pedals still move when freewheeling, why doesn't it actually freewheel like all bafangs?

i can't decide between mid drive and hub moter but mid drive sounds really loud.

Tip,,,,, 750W Mid-Drive Motor is ONLY ( 1 HP .. ) So IMO you need at least 1000W motors for almost anything ! Dan

Im 75 kilos. If i put a 250w on my bike while i riding slightly fast will i reach 30 km?

I am 130kg. The ebike I'm looking at has 250 mid drive Bafang. It goes 15mph on peddle assist and 28mph on the throttle. Would it be worth getting? I don't want to work to hard.

Just bought the 750w 48v bafang an wish i spent another £100 on the bbsHD 1000w .

If I get this could I go 30 kmph

What's the name of the Watt-meter? Is it available from Bafang?

I'm thinking of getting a 250W one(36V, 10.4Ah battery) for city driving, theres a few small hills witch are not to high but long drives that are killing me. Lucky for me I'm 90kg/200lbs(with the bike)... so I think it will be good. Can someone say if I'm making a good choice of buying a electric bike like that?

What the name of bike Company. ?

Hi, can anyone tell me what is that battery monitor display system ?

How fast do they go flatout

Will 250 W climb uphill?

I'm 6 feet 2, 16 stones and live in an area that's all valleys and steep hills. I'm guessing that a UK street legal 250watt motor is going to struggle getting me up those hills?

I am 53.61 drams and 1,077 fathoms long, is 500w good for me?

I'm already buying 250w. I wish I could buy 1000w

Im getting a 500w from china its taking forever

When talking about POWER never forget about TORQUE 250W with 120Nm of Torque can move you uphill at 25kph while a 1600W with 60Nm of torque will suffer in the speed, cause even though having the power, it has not the force to move at that speed

I live in Wales, 250w is a frickin joke.