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    REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY

    Keyde sells a 33v battery in 7ah and 10ah versions, they must be 9s but you can check with them and if available on AliExpress. The Qiroll battery charges to 37.8v as you can see by checking the output voltage printed on your charger and/or testing your fully charged battery with a voltmeter...
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    New California Senate Bill 1167

    I don't live in California so I looked up the AI summary which seems to indicate that it has a wide support base: "The legislation has garnered support from bicycle coalitions, safety organizations, and trail management groups, as it provides law enforcement with the exact legal framework they...
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    concerns with ebikes laws and ways to improve them

    Everyone seems to want the government to take action, but nobody wants to pay for it. Which is why the US fed is ~40 trillion in debt, >$110,000 for every man, woman and child including the 40% of US households that pay no federal income tax. It doesn't seem to me that we lack laws to regulate...
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    Garmin Varia 515 malfunction

    My experience with the 515 has been different, it has reliably detected other bikes as well as people walking up behind a stationary bike. I love it and find myself reluctant to ride without it, certainly on roads but even on paths/rails to trails. I'm not sure what fixed mine, I only...
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    Garmin Varia 515 malfunction

    I read that the Garmin out of warranty exchanges are refurbished units, not worth the trouble of trying to sell a refurb that I paid potentially $90 for when new are $149. The 820 looks like a nice higher spec unit but I'm happy with 515 performance so no need for an upgrade. Not to mention...
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    Garmin Varia 515 malfunction

    Thanks for replying. Can you describe what the problems were with yours? Mine is out of warranty and besides my timeline for use I would have rather paid $150 for a new one than take a chance on a possible refurbished exchange from Garmin for $90 (if that is what they really charge). I also...
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    Garmin Varia 515 malfunction

    I wonder if anyone else has had their Varia malfunction? Bought mine in '23 and it has worked well until yesterday when it stopped working and wouldn't turn on even though the battery had been fully charged with solid green charging light. I did a hard reset with the power button held for 8...
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    Mother charged after son hits pedestrian

    Over the last few months I've seen kids riding and doing wheelies on Emotos, some with pedals, some without, in parking lots, in groups on sidewalks and taking the lane on surface streets. As well as a maybe 6 year old riding a moto (no pedals) zipping along on a sidewalk in town and once...
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    REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY

    Post up pictures when you get around to it. This thread has a lot of potentially helpful information on a number of aspects for Qiroll users. I've used a few different types of spring door hinges, they all worked for my applications. They tended to be made of stainless steel which can be a...
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    REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY

    I used a spring loaded door hinge, the kind that you can adjust tension. The ones with a strong spring worked best but there can be fitment issues due to the length of the hinge so it depends on the mounting location and clearances for your specific bike.
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    Need NEW conversion motor for Kalkoff E-bike

    You should read the entire thread on the UK pedelec forum that I linked. Later posts in the thread indicated that someone tried to substitute a non-proprietary 24v battery which didn't work. The OP initially indicated that the #3 connector was only for display voltage reading but later in a...
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    Need NEW conversion motor for Kalkoff E-bike

    They look to have a bottom bracket that was used to house electrical connections. The Panasonic motor mount appears to have been added below the bottom bracket, maybe to repurpose a standard bike frame - at least it looks that way, sort of. Angle grinder to cut off the motor bracket and maybe...
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    Need NEW conversion motor for Kalkoff E-bike

    IMO listen to Harry. Why not just buy a 24v battery? Per this 15 year old UK pedelecs forum post https://www.pedelecs.co.uk/topic/10059-using-other-batteries-on-panasonic-lithium-powered-units/#post123662 "Positive connection to the platform pin position 5 nearest the front of the bike...
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    Need dust cap for freehub

    My mistake, I found the old Shimano freehub which indeed does have a dust seal that looks more robust and removable so I should be able to swap that into the freehub on the Jack.
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    Need dust cap for freehub

    The metal ring is integral to the rubber part, is very thin and deformed beyond use.
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    Need dust cap for freehub

    It's from a Dahon Jack 26" folder with a non-branded hub. The original 7 speed freehub had what seemed to be a significant wobble and I wanted to upgrade to 8 speed for a wider range 12-42t cassette that I had in the parts bin (possible for this hub without altering the 135mm O.L.D.). The only...
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    Need dust cap for freehub

    Any idea where I can buy dust cap for this freehub? I swapped out a 7 speed for 8-10 speed freehub but it didn't come with a dust seal. I tried to remove it from the old freehub but destroyed it in the process. Pictures includes the old freehub and the seal. Couldn't find anything similar on...
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    Two Month Review Of Cervelo Rouvida Rival Road Ebike

    Depending on how much you want to ride your Vaya but could do with some help, you might consider a Keyde S110 hub motor. Weight 2.3kg plus a 1.2kg 36v 7ah battery is same as published wt of Mahle x35 system comes in thru axle and threaded axle versions. As easy to install as changing a rear...
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    Clean Custom Conversions

    No problems with the electronic controls. So you've used them on cable actuated disc brakes (I assume so from your answer but just want to be clear)? Thanks
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    Clean Custom Conversions

    Unless there is some issue with short pull vs long pull I can't think of a reason that it wouldn't work but I just replaced cables/housings and don't want to mess them up. I'll try a web search to see if it has been done successfully by others.
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