Sur-Ron - New Mid drive Bike

[Rix]

Hmm Surron Usa seems to be offline. But I have a lathe so spacers ain't no thang.

Not clear what you are suggesting though. Are you saying just add some spacers?

An other solution would be to move the chain on the outside of the swing arm. If I did that I would use a belt and it would have to be enclosed so it doesn't rip a limb off and would double as keeping the mud out. Obviously quite a bit more work than just offsetting the tire a tad - but would give the maximum clearance possible with the stock swing arm.

Here you go. Kim sent out an email reflecting the website address update.

https://www.surronracingusa.com/

 

[motomoto]

Motomoto wrote:

This place is on the next street from my shop, holy crap.
like a new born babe and not yet listed in
this giggle world??? https://ebike.ntc-tech.com

thoroughbred wrote:

Is it an actual shop or a pair of guys in college? https://emotobros.com/downloads

I met the guy the next day. He is a smart young fellow who makes Sur-ron stuff as a hobby, but is the one who makes
the ASI 8000 mounting kits for Litespeed. Beautiful designs and machining from someone new to machining. He is a
software designer and is integrating the regen into the foot brakes he designs and manufacturers.

 

[X-Nitro]

Had to grab one of those gorgeous disc-guards

 

[Rix]

Nice looking SurRon.

 

[3DTOPO]

Man I would love to see Sur Ron make something like this buggy:

https://electrek.co/2021/02/06/awesomely-weird-alibaba-ev-of-the-week-40-mph-electric-dune-buggy/.

Could strap my Sur Ron bike on the back, my trusty canine companion beside me, and use the buggy to get to a 'basecamp'.

The one above is $3k, I'm thinking $5k would be a sweet spot with a li-ion battery.

 

[GhostShoes]

Has anyone tried to power a 12v trolling motor off their Sur-Ron battery before? Thinking about taking the dinghy out this summer and tired of carrying lead acid batteries.

 

[FERNSURFER]

Friends. I am currently pouring through this 215 page thread to learn everything I can about Sur Ron bikes which I hope to buy and ride. Unfortunately I cannot find one to purchase right now. Luna says 2-3 months and pre order not even open yet.

Do any of you have a line on where to buy today or soon?

I apologize for asking for something in my first post here. Please feel free to DM a response.

Thank you and happy trails!

 

[3DTOPO]

They are sold under the name Segway (even at Walmart but it is the low voltage model).

 

[SlowCo]

Do any of you have a line on where to buy today or soon?

NTDWM (no idea if they are reputable, do your own research) but I found this company that still seems to have stock (black & green):
https://ebikezilla.com/en/100000-sur-ron-x

 

[FERNSURFER]

They are sold under the name Segway (even at Walmart but it is the low voltage model).

Thanks for the reply. I am open to getting a Segway if I can get one sooner then later but would want the x260.

Do any of you have a line on where to buy today or soon?

NTDWM (no idea if they are reputable, do your own research) but I found this company that still seems to have stock (black & green):
https://ebikezilla.com/en/100000-sur-ron-x

Thanks SlowCo. I actually spoke with them a couple of days ago and currently they can't ship to US. They said they should be able to soon though and they are taking pre orders so I am thinking about doing that. Still a few months out for expected delivery.

 

[fechter]

Has anyone tried to power a 12v trolling motor off their Sur-Ron battery before? Thinking about taking the dinghy out this summer and tired of carrying lead acid batteries.

A 12v trolling motor won't be too happy at 60v. It may be possible to use a large dc-dc converter to drop it down to 12v for the motor. With a dc-dc converter, it should work well. The battery is supposed to be rain resistant, but there have been reports of water ingress causing the display part to fail, so be sure to keep it dry. It might not be a bad idea to put the battery in a plastic bag just to be sure.

 

[ahnYlwqlYD1hWeR5QGqL]

Has anyone had good experiences with aftermarket batteries? I'm trying to decide which one I can/want to go with. My ideal battery would be:
- 72 Volts
- 40 Amp-Hours (or better)
- Fits in the stock holder (or at most come with a spacer kit for the lid like several do).

However the only battery I've been able to find that fits all these is the 72v45ah Zemso. I might be able to save up for the very high listed cost, but he doesn't ship to the US so its a non-starter.

The other options I've found so far are SurRonShop/Dan Orlov's 60v52ah battery or one from litespeedbikes. If I have to trade off higher voltage versus higher range I'd prefer the higher range, so I'd lean toward the SurRonShop 52ah one as the base price is quite competitive, but shipping from Russia adds $800. LiteSpeedBikes is located domestically which should reduce shipping costs, but they seem to have the lowest energy density cells/construction, as their batteries are huge compared to others. I really don't like the look of batteries sticking 4+ inches out of the top of the battery well.

 

[smdub]

Wh (energy) is what provides range. You can't directly compare Ah of two different battery voltages. Your desired spec of 72A * 40Ah = 2.88kWh. W/ a 60V battery you will need 2.88kWh/60V=48Ah to get the exact same range.

 

[ahnYlwqlYD1hWeR5QGqL]

Good point, thanks. After more thought I'm probably going to go with the Litespeed 72v32ah battery as the most practically-available to me option. Maybe getting the tank-bag addon battery they offer in the future if I need more range.

 

[BCTECH]

how do you guys raise the kickstand ground level after changing to 26in front wheel? It needs about 1.5 inch

 

[ggHawk]

Good point, thanks. After more thought I'm probably going to go with the Litespeed 72v32ah battery as the most practically-available to me option. Maybe getting the tank-bag addon battery they offer in the future if I need more range.

It's unfortunate there are not more options here in the US. My Litespeed battery has faired well (since last summer), but it took him about 3 months to deliver. I haven't shopped for these for a while, but one other option I know of is Teznic (Toronto). Shipping cost to US is reasonable. I bought a BAC8000 controller from them (for which they provided reasonable support), and they sell battery upgrades as well. Looks like they're currently out of stock, but that's no surprise. Tom should answer your questions quickly.
Assuming ALL of your rides don't need the extra range, I think it's a good idea to buy a battery that will fit in the stock location, and then use add on batteries when necessary. However, if you do rough trail riding, keep in mind that a tank battery is heavy and needs a mounting method that is very robust. The bag strapping shown on the Litespeed site probably wouldn't last long on rough trails (ridden with gusto).
I ended up building my own custom battery that I put under the seat which was more solid and also kept the CG lower. If you're curious you can check out my post on this thread last fall - page 207 - Oct.6.

 

[Hawaiiguy]

My second Litespeed battery is 3 days from delivery, this time around 2 months,but 2 weeks of that is by ship.

 

[BCTECH]

how do you guys raise the kickstand ground level after changing to 26in front wheel? It needs about 1.5 inch

anyone know where to get this ? or something similar:

 

[speedmd]

Looks like a leveling foot from here. You would need to drill and tap a hole in the stand end if one is not there.

 

[BigBird]

The peg lowering kits also solve this problem.

 

[BCTECH]

Looks like a leveling foot from here. You would need to drill and tap a hole in the stand end if one is not there.

tks. the odd shape of the kickstand will be hard to drill / tap straight

 

[GhostShoes]

Has anyone tried to power a 12v trolling motor off their Sur-Ron battery before? Thinking about taking the dinghy out this summer and tired of carrying lead acid batteries.

A 12v trolling motor won't be too happy at 60v. It may be possible to use a large dc-dc converter to drop it down to 12v for the motor. With a dc-dc converter, it should work well. The battery is supposed to be rain resistant, but there have been reports of water ingress causing the display part to fail, so be sure to keep it dry. It might not be a bad idea to put the battery in a plastic bag just to be sure.

Forgive me since I'm not super electrically inclined, but would something like this work?

https://www.daygreen.com/products/48v-60v-72v-to-12v-50a-600w-dc-dc-step-down-converter-voltage-regulator-w-acc-swtich?variant=11912134950959

My Minn Kota only pulls something like 40 amps at 12v max I think?

 

[speedmd]

Looks like a leveling foot from here. You would need to drill and tap a hole in the stand end if one is not there.

tks. the odd shape of the kickstand will be hard to drill / tap straight

Nothing a basic level and bevel or protractor can't cure with a bit of reverse engineering. If you have none, just use your cell phone with one of several free level apps. Once you have the two angles (off of the x and y directions), a drill press will keep things perfect if you can hold it steady.

 

[fechter]

Forgive me since I'm not super electrically inclined, but would something like this work?

https://www.daygreen.com/products/48v-60v-72v-to-12v-50a-600w-dc-dc-step-down-converter-voltage-regulator-w-acc-swtich?variant=11912134950959

My Minn Kota only pulls something like 40 amps at 12v max I think?

Yes. That's what you would need.

 

[fechter]

tks. the odd shape of the kickstand will be hard to drill / tap straight
[/quote]

I'd take the stand off the bike and put it in a vice and drill from the bottom where it's flat. It doesn't need to be perfectly level.