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  1. JRA

    Brand New drift slide 1500w e-bike battery is not working

    Could just be a sign to go buy a real legal eBike from a reputable dealer?
  2. JRA

    Has anyone tried building a hub motor wheel with your rim? Is it complicated?

    Seems like you might be confusing straight pull spokes with spokes that aren't crossed and thus go straight from the hub to the rim and is popular on some hub motor/smaller wheel combinations? With larger rims using at least a 2 cross pattern is preferable. The Grin calculator mentioned is a...
  3. JRA

    With 125% tariffs, will the e-bike market die?

    "Trump IQ at least 156" :rolleyes: And he is 6' 3" and weighs 220lbs. And can pass cognitive tests standing on his head but just don't ask him what the name of the test is.
  4. JRA

    ToSeven DM Series Mid Motors

    Pedal management via ratcheting with instant engagement works better for me at least it always has even pre e? However the onboard throttle I have could do the job if I ever cared to use it for anything other than taking off and a walk assist.
  5. JRA

    Brose sold to Yamaha

    While I haven't seen it confirmed yet I think that Brose lost its S Levo contract? That alone would be good reason to cut it from their portfolio regardless of any sort of tariff pressures. Surprising though that Yamaha took up the mantle as they already have a pretty solid motor system to offer...
  6. JRA

    Brose sold to Yamaha

    From another forum via Linkedin: Industry insights Sharing details via LinkedIn, Phillip M Lucas observes: “Brose is projecting a €53M loss in 2024, with turnover slipping €200M across the whole entity at €7.7B. A major restructuring is underway—700 jobs cut, operations streamlined; a retreat...
  7. JRA

    My DIY builds: GMAC, BBSHD, 9C RH212, CYC Photon, ToSeven DM01, Grin All Axle

    SHG, I was an early adopter of 2170 cells as I thought they were perhaps marginally better for use in eBikes. I am going to put an emphasis on marginally.....as time has gone on for sure companies have adopted them and why not as margins are good for business. But if as you say your current...
  8. JRA

    Fender flaps or extenders?

    The above method in use. I also live at the beach and ride in muddy times here in Oregon.
  9. JRA

    Bafang Ultra Greasing Gears

    The properties of CornHead grease are such that it turns into a thick oil while in use and resorts back to a grease when not. So it doesn't matter where it gets put in the gearbox of an M620 as it will distribute itself when it liquifies under use. The thing that I personally have found works is...
  10. JRA

    E-bike battery replacement help

    Try sending those pictures and details to [email protected]
  11. JRA

    Small low pressure pump?; I

    You do realize that even though 5 and 3" tires may run best at low psi that it is actually the volume of air in them that you are messing with? So I would suggest you change your search from a low pressure to as small of a HIGH VOLUME pump as you can find. The Wolf Tooth Encase 40cc is one...
  12. JRA

    Throttles and California

    Actually there was a pretty good fight against PFB's lobbying for the Class laws in OR but the legislature finally caved and the laws follow the 3 class laws now which does permit for throttles on Class II ebikes. However I don't agree with the way the law reads as it expects that they are then...
  13. JRA

    New Tariffs 2025 !

    Better get you Grin order in now US citizens!
  14. JRA

    Pure torque control. Cadence and others if included leads to unnatural ride.

    The most natural feeling eBike I have had is similar to the one shown above by Gromike. A throttle, with cruise control and front hub motor that allows for whatever input I wanted to put into the pedals (no pas) in whatever gear ratio feels the most natural at the time at whatever watt output I...
  15. JRA

    Throttles and California

    It's not just CA.....https://bikeportland.org/2025/01/14/oregon-bill-seeks-to-ban-class-3-e-bikes-from-sidewalks-bike-lanes-and-paths-392252 The comments support Jabberwockies post.
  16. JRA

    Mihogo Air max experiences?

    Indiegogo. Caveat Emptor.
  17. JRA

    Following Yamaha out the door: Stromer is bailing out of the US Market

    I would say not at all for existing Giant bikes with Yamaha motors. However if Giant will continue to use Yamaha systems going forward for U.S, sales is questionable? Remember that Yamaha has only announced pulling out of the U.S. market, not world wide and most likely will continue with...
  18. JRA

    Outfitting a drop-bar ebike for recreational use

    Get a piece of 25.4 handlebar and drill a through hole near the end big enough for a zip tie. Zip tie it to the flat side of the hood on the brake lever. Attach the throttle. Operate with your thumb. Helps to have the cruise control feature hooked up in the controller if available to set to...
  19. JRA

    Bafang Ultra Motor (M620) Ridden Very Gently for 3,000 Miles - Service Required or Not Necessarily?

    "The chances of finding a local bike shop who will work on an M620 Ultra is likely somewhere between Slim and None, and Slim just left town." While this is true if they knew how simple a job it is to remove and split an M620 they should be all over it!
  20. JRA

    Stromer discontinues USA / Canada business

    "significantly slower development of the North American market," Pretty much sums up all the current and future eBike systems removing themselves from the North American market going forward. And other than cheap eBike shaped objects and scooter/moto type models will remain so for the most...
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