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  1. Slowchris11

    rusty bearings, and filling motor cavity with oil ?`

    These bearings are dead cheap standard stuff, less than 1€ a piece. You may use a better one, with more balls inside, higher load and better gasket for about 2€. To remove them, first take out the seal on the outer side. As you seem to be an unexperienced mechanic with a tendency to brake...
  2. Slowchris11

    News of the Weird

    This is no plan, it is an option. You need to smuggle 1 Pound of F to have the effect of 50 Pounds of heroin. Take into account that heroin is never pure, a Pound of F is even more potent. This is the problem. One suitcase full of Fentanyl is enough to serve all heroin addicts of the US for many...
  3. Slowchris11

    News of the Weird

    If you look at the USA from an western European view, it seems some of the worst criminals wear police uniforms in your great country. Of course I know this is just a tiny fraction of the hard working law enforcement officers you have. What makes it look so bad from the outside is the cover up...
  4. Slowchris11

    upgrade BBS02 36V 500W to 48V 750W

    As far as I understand you need the motor core too, as the winding is different for 48V. If you only raise the voltage it will run faster and get hotter, but tourque will not increase as you expect from the 750W motor. A much better idea is to buy a whole 750/48 kit and sell the parts you don't...
  5. Slowchris11

    Crack developing on ebikeling rim sidewall-- need to repair

    The bend of your spokes is too wide. There are differend spoke bends to fit different hubs. Usualy you take one of the old spokes from the hub as a sample. You can solve the problem by putting a washer on the spoke, then fit it to the hub. This is a common practice and you can order these...
  6. Slowchris11

    Converting an actual motorcyle to electric

    100kw would be at least 10-20kw of heat. The motor would need water cooling,even driven carefully, the battery may get away with ventilation. e-engines can not run such high temperatures as an air or water cooled petrol burner. So the heat dissipating area has to rise. Not so easy on a bike. I...
  7. Slowchris11

    ebikes.com or endless-sphere.com

    If you want to make your member numbers explode, make it ebikes. com. Later you can judge whether this made the competence level rise just as well. endless-square.com does not attract any granny with a battery bike, so maybe it's insider, hard core members might feel a little more at home. There...
  8. Slowchris11

    Bafang 750watt motor making strange sound (and not working)

    They are Chinese vendors, don't know and care even less what they sell. You need a lube for plastic / metal gears like Mobilegrease 28. You may find it in small amounts at eBay. Look for "Bafang Grease" https://www.mobil.com/de-de/aviation/pds/gl-xx-mobilgrease-28 Your usual mineral oil...
  9. Slowchris11

    Eternal outskirts of Moscow and beyond (LOTS of pics!)

    @marvin78 You interpretation of my post was wrong indeed. The optimism about a common future is gone and to have contacts like in these years is hardly impossible. This is very sad. I can imagine what it will be like to be Russian in the future, as I was born 15 years after WW2. I...
  10. Slowchris11

    Eternal outskirts of Moscow and beyond (LOTS of pics!)

    In Russia they are converting homes into missile silos. Some slight difference between East and West. I can not imagine how it is in Russia today. We were all so optimistic during Gorbatshow's time and made a lot of friends. All gone since a gopnik became the Russian Zar. I genuinely feel sorry...
  11. Slowchris11

    Attempt: TSDZ2 torque sensor repair, not work :-( any ideas?

    If the driver has more than a certain wheigt and helps the bike move by putting force on the pedal, the Tongsheng may breaks during first use. If you do not work the pedal that hard, because you are feather wheight or lazy, it takes some time to break the single bearing and give the axle to much...
  12. Slowchris11

    First Enduro Build For My Boys (14 & 12)

    Great project! We are not allowed to do such stuff in Germany. Your son's can be happy to have such a caring dad. Most parents buy them a computer and Iphone to keep them silent. I technically restored a 1998 VW Rabbit III with my 17 year old daughter, keeping the outside near stock and cheap...
  13. Slowchris11

    Eternal outskirts of Moscow and beyond (LOTS of pics!)

    Good to know, we will be there. Greetings, your FSB
  14. Slowchris11

    'lightest.bike' 1.7kg 1000w mid drive

    If you want to compare how efficient two drives are, you have to used an identical load on both. What you do, is just draining both drives at their maximum power. This is quite a normal thing. If I look at German eMTB tests, when they do the "which bike does the house trail faster" test, the...
  15. Slowchris11

    does the front and back brake cables need to be connected in other for throttle to work?

    The bar code may be the chance to get some technical information if you scan it with your phone.
  16. Slowchris11

    What chain do you use on your mid drive E-Bike?

    So what is your conclusion? Not putting anything on your chain is best? Leave it allone until it falls off? I would appreciate this as the best sollution, I'm quite lazy and don't like to spent money on chain lube products. Better use the money to buy recreative pipe fill? Maybe we can agree on...
  17. Slowchris11

    What chain do you use on your mid drive E-Bike?

    Two guys can use the same chain and wear it out after 500 or 2500 miles. If riding conditions are identical, everything is in the lubrication. Some use special chain wax once a week, someone else oils each month- the difference in wear is astronomic. Oil and grease seem to attract sand and dirt...
  18. Slowchris11

    Bafang 750watt motor making strange sound (and not working)

    Do not use lithium grease for the plasic gear. Litium is for the steel gears only. You need a special plasic lube, syntetic or silicone based. The recommended, red Mobil lube can be used for both. Bafang uses very little expensive plastic lube and cheap grease for the rest. Any penny counts...
  19. Slowchris11

    Bafang 750watt motor making strange sound (and not working)

    You need a new Nylon gear for your Motor. You have chewed up the gears and now have the typical "I started with the throttle at the light's in highest gear and now my motor doesn't move the bike while making strange noises" syndrome. Didn't you know this always happens if you use a Bafang like...
  20. Slowchris11

    Firmware for Kunteng KT 18 MOSFETS Controller

    First, they do not want you to repair it, you are expected to buy a new one, so do not expect any help from KT. That is an industry typical "Trade Secret" as stupid as it may seem. Exporting such Software information from China by mail is restricted and keept a one way street. Second, the...
  21. Slowchris11

    How to pull low spots out of a tire without tire pliers

    The better profiles from Kenda and Maxxis are what I use, Conti as well. The list prices may be high, but usually I buy occasions with huge discounts. If you live in a hotter climate, these Schwalbe tires may be acceptable if you don't care about, maybe a little runout. On cold, wet cobble...
  22. Slowchris11

    How to pull low spots out of a tire without tire pliers

    I'm no friend of SCHWALBE tires. They pose as German's, but the majority of their tires are made in Indonesia. They have a few top tires in the high performance line, but most are overpriced Indonesian crap with high tollerances and often plastic like rubber compound. Some of their tires are...
  23. Slowchris11

    KT Controller Mosfets

    12 MOSfet's are plenty. If you want more power, first look at the board for temperature sensor, near the fet's. Maybe simply screwing on some aluminum as additional heatsink may solve your problem. Wrapping the controller into bubble wrap and dumping it in a bag is shock proof, but not...
  24. Slowchris11

    Will this bike break if converted to ebike?

    If you scroll down on th page you find measures of the TSDZ2 and there is also a video, how it is installed in the usual 68mm hub https://www.pswpower.com/products/europe-stock-tongsheng-36v-250w-350w-tsdz2-vlcd5-xh-18-vlcd6-lcd-electric-bicycle-central-mid-motor-with-torque-sensor-97 The...
  25. Slowchris11

    Will this bike break if converted to ebike?

    There is a Tongsheng TDSZ2 with a coaster brake function. The easy way... but you still have to do some modification to the pedal hub to fix a mid drive there. It all depends on your skills and tools to your disposal.
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