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    52v pack of Samsung 25r 18650 cells

    Auction here: https://www.ebay.com/itm/254944747831 This is a 52v battery pack 14s 8p pack built with brand new Samsung 25r cells ~20 amp hours. All p sets and battery total tests as expected and I am used to building these packs. I ended up needing to order a new bms and just dont have the...
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    Grin Cycle Satiator up to 72v eBike Battery Charger

    Listing here: https://www.ebay.com/itm/254943608636 Grin Cycle Satiator, maybe used once or twice. Ships from within US Purchased in December for $300 from Grin Technologies in Canada selling due to relocation, sold my eBike parts. Get this awesome charger for a good price. Fitted with XT90...
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    Daly BMS wont charge 52v pack.

    Checked all my wiring BMS shows all parallel sets voltage correctly but Daly bms wont take a charge past the nominal 3.4v per cell. Their app is also junk their settings wont take - anyone else experienced this. Looking for suggestions of anyone who may have come across something similar...
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    Complete kWeld Spot Welder Setup

    Item listing here https://www.ebay.com/itm/254941901565 FREE Shipping from within the US. Used this setup to learn how to build my own eBike battery, its overkill for me as I only wanted to learn the fundamentals and this thing can work all day. Like new listing includes: Barely used and in...
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    Nucular 12f controller for electric bikes and scooters

    Listing page is: https://www.ebay.com/itm/254941859481 Nucular 12f controller for electric bikes and scooters Recently purchased from the Sur Ron store for my next eMoto project but never used, listing due to relocation, no time for my projects. $475 or best offer - shipping from within the...
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    NEW QS205 5T eBike Hub Motor, ships from within USA - QS 205 50H V3

    Brand New QS205 5T Winding built for torque great for an off road eMoto build. Currently on eBay and fb marketplace also. https://www.ebay.com/itm/254941838196 Local to the Worcester, MA area if your near or buy through auction. Recently purchased so new out of box I am selling this due to...
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    Daly or other BMS for 14s 52V pack

    Hi, I am building a 14s8p pack using Samsung 25R cells capable of 160A max. 58.8V charged, 50.4 nominal, which is going to power a 750W hub motor set at 750W ~20AMPs at the controller, nothing crazy. This is my first pack so I am trying to find a top quality BMS, something that's easy to work...
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    Target wattage from a motor?

    Is there a rule of thumb for determining the largest wattage you could get from a motor before it starts to suffer ill effects example a motor rated at 6000w, how much could you reasonably push that 2x, 3x...? Or is it pretty much a case of trying it until things break down. Has anyone...
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    Sur-ron Motor, Battert and Controller Options

    Hi All, Assuming an appropriate battery and controller upgrade, would anyone know how many watts can the stock Sur-ron motor reasonably be pushed to? Are there any ready to fit motor upgrades available for the Sur-ron to go beyond this? How far can you push a stock Sur-ron in Wattage with an...
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    eMoto build Frame, QS Motor, choices and what to ask for

    I am moving onto my second build and want to build a emoto style bike I am thinking 10-20kw. I am looking for a US based, or highly reliable supplier of a quality frame and general frame recommendations. I also need a bit more know how on the QS motor choices. I want something to fit the...
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    Need help with Cycle Analyst/Phaserunner settings, dies on longer hill climbs.

    I am running a Cycle Analyst, a Phaserunner and a Bafang G060.750 750w geared hub motor with a 13s8p 2.2ah lg cells 30amp bms. I set the phaserunner up for 1500w, 30 amp max battery current and 80amps phase current. The bike works swimmingly, big grins all around until I go up longer hills...
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    Leafmotor 2000w

    When asking about fat bike hub motors this week someone pointed me at the Leafmotor and I saw some really excellent threads about leaf motors from the archives. I wondered if anyone has any experience with the 2000w direct drive version of this motor and how much this could be reasonably...
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    Surly Ice Cream Truck ~132mm bottom brackets and 190mm rear dropouts, choices?

    I bought an older model Surly Ice Cream Truck frame off ebay and am building it up. I am looking for a solid motor choice, speed isn't necessarily a need but I would like hill climbing ability and something to haul some weight bikepacking. The bottom bracket on this bike is ~132mm wide with a...
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