ToSeven going to be at the top here shortly! Two really good motors almost ready to flood the market. For it to be possibly better than the Photon but for $450 less (and sans the hv kit obv) is really promising. Good video!

@HighVoltageKits

6 ай бұрын

I will do a comparison. As it stands the Photon is the more refined package. It should be at its price. But it has drawbacks in its design that cannot be readily overcome giving the 02 an edge particularly in terms of sustained power.

Thank you for the help with the Toseven firmware updates. I found that the display was the most difficult to install.

@HighVoltageKits

Ай бұрын

Anytime my friend.

Thanks for all the work you put in with these videos. They are always entertaining and informative.

@HighVoltageKits

6 ай бұрын

Thanks for that. Glad you like the videos.

Thank you for posting these video's and comparisons. I have been using TSDZ2's for a number of years and have thus far being reliable and with OSF, more than powerful enough for our use (UK). However heat mods etc need to be done and I am looking at the DM02's as their replacement. They seem to have dealt with the failings of the TSDZ2 and producing a good quality option to give the Photon a run for the money. The only advanatage that I can see for the Photon at the momonet is being able to accomodate wider BB sizes for fat bikes and press fit BB shells

@colincampbell4261

6 ай бұрын

But more expensive than the tsdz2.

@colincampbell4261

6 ай бұрын

But more expensive than the tsdz2.

@HighVoltageKits

6 ай бұрын

The Photon is a more modern feeling package with a really good torque sensor. They have some reliability issues though which I found out on mine. The variety of bb sizes is also an advantage along with an interface that is more slick. You pay a premium for that though. In terms of the Tongsheng it solves the main issue which was heat transfer. There are some other improvements I covered in an earlier video.

@HighVoltageKits

6 ай бұрын

Yeah. To a point. If you do all the band aid mods to the Tongsheng to get improved thermal performance then the costs are closer.

Seems good for around town commuting. I love the DM01 performance. What i like is that you could tune this with a BAC 500 you said? So that makes the motor and kit very affordable and reliable

@HighVoltageKits

6 ай бұрын

Yeah. I mean if it can run with 750-1000 watts PAS sustained it will do fine for pretty much anywhere here. Will be my winter ride for sure. Get me a bit of exercise as well!

*Is anyone working on improving passive motor enclosure cooling???* In cold weather you could MASSIVELY increase heat transfer with something as simple as small fins on the casing (which I assume is aluminum). You could easily double the surface area and hence cooling capacity of the case without going as far as proper deep, thin cooling fins off a computer processor stack for example (which would create it's own issues with damage and size). On small motors like this it'd be especially effective because, as you pointed out, they have low thermal mass and would be able to transfer heat away more easily than large diameter units.

@HighVoltageKits

6 ай бұрын

I'm not sure. There are quite a few mods that people made to the Tongsheng motors with external heat sinking. More surface area and more mass would definitely help though.

so would you say the dm02 can be pushed more then bbs02 ? say dm02 w/bac 855 500 watt on 60 volt vs bbs02 48/52 750watt stock and can the bac 855 be put on a bbs02? im sure youve times but i have bbs02 and controller went out was looking at egg riders when came across dmo2 for 350 as kit just stock but still when cost off egg is 100+ and the dm01 is cheaper then the bbshd witch i was gonna get bare bones to upgrade the bbs02 but these systems just seam way worth the money and seeing how far thay can be pushed is incredible anyway love the videos keep doing what your doing :)

@HighVoltageKits

3 ай бұрын

No. Not more than a bbs02 for any distance. The 02 has more thermal mass. Appreciate the kind words. Cheers

Impressive little motor. If you fix that temp issue & PAS & Toseven makes it for a 120mm BB it's a perfect motor for me. I'm surprised, I'm partial to overbuilding my e-bikes & would have thought BBSHD or DM01 but if I can build with a small light motor that can still pull up hills without doing it damage I'm more than happy.

@HighVoltageKits

6 ай бұрын

The temperature is limited in terms of what can be done without extensive modifications like putting on heat sinking. I will try and determine the safe sustainable limits of it with PAS etc. It's running now. Switched the wires in the BAC! I think that for a fatbike the 01 would likely be a better candidate in the short run. They are only up to 110mm though so if you genuinely need the 120mm s then it might not work. We think it will work with the Fatboy though so there is hope.

@michaelsprinzeles4022

6 ай бұрын

@@HighVoltageKits Is the Fatboy 120mm? Either way I look forward to your results. I don't need crazy speed just the ability to maintain my speed (even on hills). I'm in NYC and pass traffic at anything over 25mph but I live on a steep hill, in a hilly area. One of my e-bikes is a BBS01 (city e-bike), unmodified, & it can throttle around at 20mph {32kph} and only lose like 2mph on hills all day. If the DM01 can handle your abuse it should handle mine & still make a lighter more rideable e-bike than the HD or comparably weighty DM01. I'm in no rush so seeing your results & waiting on a 120mm option isn't a big deal. I've had good luck with the HD (& an upgraded controller on my e-mtb) but always like options.

@Full_Throttle_no_Brakes

6 ай бұрын

Fat boy is 100mm

To add a throttle all it takes by the DM02 is replace the 1to3 cable with 1to4 cable, plug in the throttle and perhaps enable it in the settings? Do you know by chance some EU retailer or online shop where I could buy it shipping to Germany for reasonable price?

@HighVoltageKits

Ай бұрын

No but if join our discord you can likely find a source. There is a TO7 rep that’s on there pretty frequently.

Hi, thanks for the video. On Aliexpress there is a 350W and 500W version of this motor available. Are they physically different or just settings? Does it matter which I buy?

@HighVoltageKits

3 ай бұрын

You are welcome. There are some physical differences. I would get the 500 watt version

What is the difference between DM02 36v and DM02 48V as show on the twoseven website.

I'm regularly reaching and sustaining temperatures in the 85C mark with the stock controller, purely pedal assist. Worth noting, in the stock set up, I only have access to the controller temperature so I don't know what temps the motor is actually getting to. The controller gets over 80c pretty quickly when the hill percentages get over 5% and ambient temps or in the mid to high teens. funnily enough, once the ambient temps get over the mid twenties the motor temps get higher again... around 88 -89c. I have not noticed it go over 90c... yet. So, I reckon you have the latitude to go a bit harder temperature wise... rev wise and all else I have no idea... there's no way my legs are going to get my motor to 10000rpm

@Alex-uh1mj

6 ай бұрын

The motor will be around 30c under the controller

@ianbourne4084

6 ай бұрын

@@Alex-uh1mj ok...and as the stock controller is programmed to start thermal throttling at 100c, the motor ought be comfortable at 65c.

@Alex-uh1mj

6 ай бұрын

@@ianbourne4084 at 40c ambient, 18a when the controller hits 90c the motor is around 60c

@HighVoltageKits

6 ай бұрын

Yeah that's a good point. When the controller was reading 65C (running stock in the summer) I did notice that I could easily hold my hand on the motor casing which was not the case here.

@ianbourne4084

6 ай бұрын

One thing to show in your next video, after you've revved the shit out of this sweet little motor is how quickly this design cools once the load is off... I've tried in mine but I don't have your polish and viewers... I reckon a lot of people will be blown away by how good the cooling is @@HighVoltageKits

First again! this is getting embarrassing! 😂 I shall relax and watch the video now..

@HighVoltageKits

6 ай бұрын

That's some timing. Enjoy.

@JohnSmith-ch9lp

6 ай бұрын

@@HighVoltageKits Nice little motor. And goodnight from Sheffield, England.

For throttle only would the dm02 be just as good as the bbs02 using the asi855?

@HighVoltageKits

6 ай бұрын

I'm not sure. The BBS02 is a bigger motor. The core of that is quite a bit bigger so there is more thermal mass etc. I have not run an BBS02 with the 855 myself so I can't really say for sure. It's more of a CYC Photon size and I think it has the potential to run for longer and harder than that motor. Maybe somewhere in between the two?

I've recently bought the ToSeven, DM02 36v version. On the torque setting I'm finding that i'm get a small surge then it stops then another small surge. Any assistance would be gratefully received on the motor settings that I can adjust for a smoother and more enjoyable bike ride.

@HighVoltageKits

2 ай бұрын

Best bet is to jump on our discord. I have not had the time to do much with the firmware of late with the toseven stuff. The latest is sounding quite good tho.

It's your bike called the Mule? I think you might have the record for motor swaps...

@HighVoltageKits

6 ай бұрын

I need another frame 😆 cheers Dave

Can you run this, or the Photon, with pedal assist only? And how and about beltdrive and automatic nav gear?

@HighVoltageKits

6 ай бұрын

I will drop a pedal assist video tomorrow. The last video I did does have some pedal assist footage with the Photon the later half roughly.

What do the P and B amps stand for?

@HighVoltageKits

6 ай бұрын

They stand for battery amp and motor phase amps.

How long will blue GEAR last with such high power?

@HighVoltageKits

6 ай бұрын

Good question. The blue gear is usually busted up with stress. The teeth snap rather than melt. Although it can look like melting if people run the motor afterwards. You need 140C to soften Nylon. But if I use a high gear I could probably strip it. The same way you could mess up a car by starting in a high gear etc. I have some spares LOL

@Alex-uh1mj

6 ай бұрын

The problem was never the blue gear in the tongsheng. It was the design, it was the one way bearing. This is not a tongsheng

@daytriker

5 ай бұрын

A lot of people were stripping out the blue gear by relying on throttle or operating in too high a gear expecting the motor to pull them up a hill. The needle bearing failure was due to over heating.