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  1. M

    Best pedal assist sensor kits.

    Either get one with longer wires or splice and solder in wires to make it the right length.
  2. M

    Best pedal assist sensor kits.

    Very good information. Thanks much! Even 73 mm bottom brackets use at least one spacer so it shouldn't be a problem. That is unless you use a bottom bracket mount type front derailleur.
  3. M

    Best pedal assist sensor kits.

    Standard square taper and outboard bearing. I found ones that work but they aren't ideal usually because of spacing or sensing issues. I ordered a different style from e-bay so I will let you know what I think of it once I get it.
  4. M

    Best pedal assist sensor kits.

    I thought about the BB torque sensing units but I don't think they are compatible with the newer outboard bearing bottom brackets. Also I don't thing the torque sensing units would work well with my Wattwagons. I like that you can vary the power output to the wheel of the wattwagon with standard...
  5. M

    Best pedal assist sensor kits.

    Mostly square taper bottom bracket but sometimes there is not enough room to squeeze the magnet sensor in without it binding. On one I had to remove the small chainring. Of course I could buy a wider bottom bracket. I don't think a standard PAS is going to work with an outboard bearing BB...
  6. M

    Best pedal assist sensor kits.

    I have been frustrated with the standard pedal assist sensor kits. A lot of the time you can't get them to fit even with a standard square taper BB. Finding ones to work with the new style BB's is even worse. I have tried this one and it isn't as good as what I need...
  7. M

    Is the BBS02 a better option over a direct drive hub motor ?

    Could be but the mass of a direct drive hub motor acts as a heat sink. I think Bafang on their mid drive motor needs to move the controller outside of the motor case for cooling purposes and to make repair to the controller easier. It's a nice clean slick unit but having two heat sources in a...
  8. M

    Is the BBS02 a better option over a direct drive hub motor ?

    In my wattwagon with a 16 inch DD hub motor I think we achieve the best of both worlds. Great hill climbing ability with little wasted heat and at 48 volts plenty of top end (30 miles per hour plus). On similar terrain compared to my 3 Bafang mid drive units (one 750 watt model and two 500 watt...
  9. M

    Please weigh in: BBS02 750 with 12S 30A RC Controller?

    I have gotten the motor quite hot using the standard configuration even keeping the RPM up. Don't know how much the little motor will take as far as dumping more power into it, but hey someone has to try it!
  10. M

    Haibike crazy price

    Bicycles are in a very competitive market. Lot's of manufacturers so they have to compete for the customer much like all other industries do. I don't think too many people are getting rich in the bicycle business. I had a bike shop for years and I know what the margins are and it is even more...
  11. M

    Haibike crazy price

    Quality mountain bikes come at a price. It is not about showing it off or snob appeal. Quality mountain bike forks cost 500 dollars plus. Quality wheelsets cost $500 plus. You can get a decent mountain bike at $2,000 but for much less you start sacrificing. Good luck trying to piece together a...
  12. M

    Haibike crazy price

    Here is a good list of what the different states allow regarding speed, horsepower (or displacement) and licensing requirements. http://en.wikipedia.org/wiki/Electric_bicycle_laws#Arizona
  13. M

    Haibike crazy price

    OK let's define legal. In the US from my understanding it is 750 watts and 20MPH with throttle and I guess up to 28MPH with pedal assist. In regards to being able to keep up with traffic that has never been the purpose of a bicycle or in my opinion an e-bike. If I want to accelerate with the...
  14. M

    Haibike crazy price

    The problem with "performance" is that it puts you on the wrong side of the law. Want to build a powerful "e-bike" then unless you don't use it on the public roads it is illegal. Why build up a motorcycle power level e-bike and expect to get away from properly licensing it or insuring it...
  15. M

    Haibike crazy price

    I am an experienced bicyclist and I know that you get a lot more bike for $2,000 than you get for $1,000. Better wheels, better components, better frame, better shock and the list goes on. A shop I have been into has many bikes over 5 grand and a few close to 10 grand. But the endless sphere...
  16. M

    Haibike crazy price

    That is pretty much the going price. Been into a bike shop lately and looked at the price of non motorized full suspension bikes? Many over $5,000. Of course you could go to Wallmart and pick up a full suspension bike for under $200. If you want a Bosch system on a quality bike you have to pay...
  17. M

    BBS02 alignment issue

    I think it is probably just fine. I installed one today that looked similar and it works great. Notify the party you bought it from if you are concerned. Just put in on and see how it goes.
  18. M

    New Bafang Crank-Drives

    You could but it doesn't look like they will deliver till next April at the earliest. One advantage of DIY is that you can choose frame size and go with a larger battery and have an IGH. Their bike and components certainly aren't top drawer. If you already have a quality Fat Bike then spending...
  19. M

    New Bafang Crank-Drives

    Here is the bikes direct link for their single speed, 4 inch tire bike with a 68 mm bottom bracket shell. http://www.bikesdirect.com/products/gravity/fat-bikes/fat-bikes-deadeye-monster.htm Bike $400 Bafang motor :$550 Battery $500 IGH hub $500 laced to your rim Around $1950 to build up a mid...
  20. M

    Science, Physics, Math, & Myth

    That chart is fine and dandy but most of us deal with 24, 36 and 48 volt systems and controllers that deliver from 15 to 40 amps and batteries that can supply from 15 to 40 amps continuous. Are you saying the manufactures are selling us a load when they talk about what a high speed motor and a...
  21. M

    New Bafang Crank-Drives

    Bikes have wide bottom brackets for a reason, particularly fat bikes. Whey do most of them have 100 MM wide shells? To get the spacing needed to clear the chain to the tire through the range of gears. Wider tires are going to create this situation. You could always buy a $400 bikes direct single...
  22. M

    Science, Physics, Math, & Myth

    I think they went from moving chairs to throwing them! I now know less about winds than I ever thought possible.
  23. M

    Bottom bracket the weak point on mid-drives?

    When people say 500 watts is not enough they mean to say it is not enough for them! You can buy replacement clutches, controllers and bottom bracket assemblies for the Bafang mid drives. If a chain breaks simply have a chain tool and and extra link. I have broken chains many times on my non...
  24. M

    Controller programming.

    Thanks for the links Emoto!
  25. M

    Bafang BBS02 - fatbike - help! - noobalert -

    Try pricing some other fat bike mid drive options and it will seem cheap!
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