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yeah, you’d have to have a dealer register the serials and clear the component swap “error.” it works without doing so but worth the $50 if you really like the mastermind. personally i prefer the app display on a phone/device on the bars, but mastermind is nice for minimalist riding! enjoy it...

the x20 bikes can climb most paved hills pretty well for most people who want a road bike. of course you’re not going to go fast, that’s not the point of a lightweight e-bike. it’s really pretty rare to find paved roads with sustained grades over 10% - of course they exist, but it’s rare. i...

great project! is that the color you're getting? love it. if you really wanted to... you could switch the mastermind over, no?

you can definitely ride a regular bike ! it'll just be slower. unless you're very heavy i really doubt you need 36-52 at the low end with ±150 watts sustained, one block isn't all that much and it would be nice to be able to pedal when going downhill, make up some of the time lost going slowly...

i haven‘t been very diligent about keeping the bikes aired up since I haven’t been able to do any serious daily rides, so i‘m not sure I’ll be able to tell. I do usually lose a bit between rides on the two tubeless bikes, so it would be very interesting if that reduced. I don’t think the slow...

i got bored one evening this week and decided to transition to clik valves ! i admit - i have not read this whole thread - but i popped in early and while it seemed like a nice system i didn't see the need. i still don't see the "need" but here are my thoughts and what i did. first, i'll say...

except that in urban areas, with lots of visual distraction and light sources, vehicles people REALLY want you to see DO have blinking lights on them ! studies do show that flashing lights garner more attention - whether it's a meaningful amount is certainly debatable - but they also show that...

i haven't been able to do any spirited riding lately, in a bit of a wait and see mode on some major health issues. this week i took the scott out for a bunch of short rides, 10-15 miles, keeping the HR 85-90, just to get some air. today it was so windy on the bridge that even leaned over with...

AB544 doesn't seem particularly useful to me, the main purpose of it is to get kids to take an e-bike safety class. not sure why they attached the light thing which is already covered by other laws. that said there is some OK data on lights and flashing lights on bikes, i'm sure it's not...

I suspect the stabilization issue has a lot to do with the type of surfaces, the phone, and the bike, and some combinations are just not going to work well. 10,000+ miles on two iPhones on bars, plus who knows how many on my commuter (phone is always attached when riding, always the latest...

didn’t watch the video but I gather the rear wheel is directly driven from the motor, disconnected from the crank which turns a separate generator? it would be more interesting to do this with a hub drive, imagine how sleek it could be without a mechanical connection between the bottom bracket...

yes, in stock stateside and I think the only HPR40 bike you can get so far

vehicle standards are generally regulated federally, with some exceptions. there is a proposal out there for more stringent pedestrian safety standards but my guess is it's not going anywhere. haven't heard anything...

has anyone used a veer belt kit on a rohloff / mid drive bike? seems like it would be a great combination without needing a special frame.

lol, article from high speed ebike manufacturer about why they’re safer? really? https://www.nytimes.com/2025/11/30/magazine/e-bikes-accidents-safety-legislation-california.html https://www.nytimes.com/2025/11/30/briefing/the-dangers-of-e-bikes.html how about some actual statistics, not just...

that’s quite a generalization and i doubt there is any evidence to support this. there IS a growing body of evidence that injuries sustained on bikes going 20+ are far more severe than those typically sustained on riding bikes at slower urban speeds. the answer is better infrastructure...

i use ring and have a ring camera in the garage, with motion alerts turned on. the $50-60 kidde smoke and CO alarms send alerts via ring, so either attempted theft or fire will result in lots of alarms going off. our building also has a hardwired fire alarm system that notifies the fire...

please don’t feed the AI trolls.

agree. communication styles and norms change over time. nobody thinks we’re being rude because we don’t use the queen’s english from the 17th century, when people certainly used a lot of words but the world but brutish, cruel, and inequitable! i could not care less if someone gives me a wordy...

not super relevant to the thread but we store 2 e-bikes, 3 regular bikes, and a scooter in a very small space - just a few feet deep up the height of the wall on one side and the wall space down low across the back of a single car garage. the two larger non-e bikes (a sirrus and an aethos) go as...