bengreens
Sounds good. Keep me posted on that M600 unit
Sounds good. Keep me posted on that M600 unit
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EL34
I got the firmware reflashed on my newer X-1 and it's great. Behaves a lot like my older bike now, which, like yours IIRC, has the ....xxx14.4 firmware. I didn't try to redo any of the settings, as from everything I've read, most of them are locked down, and for the ones that aren't, I don't have enough confidence in my computer abilities and analytical skills (in gauging the results in actual use) to try.
Regarding the brake sensor thing, I mentioned them in response to eskachig's question "Does the M600 motor have a brake sensor connector?" I had considered installing one as a way to avoid hard shifts in higher PAS levels, which has been a major pain for me.Last edited by bengreens; 01-08-2021, 12:00 PM.
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my experience is the same as Bradleyland, below 46v better be easy on the gas or it will trip out. Dropping the battery then refitting it momentarily will re-energize for a while.Comment
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I have a friend who is rather tall. He would like a large frame. Are they available? If not, would a medium frame accommodate a longer dropper post? Thanks, BobComment
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Don't get a medium frame! I'm 6'1" or less now, with a long torso and got a medium. After a year I broke down and got a large. Up to that point I'd been able to tolerate the medium with seatpost maxed. Since starting to ride the large, I can't stand to ride the medium. All the geometry is off for me but the legs are the worst.
I try to get the closest ride to a non-electric bike as possible, really want the exercise, but even if I didn't, it would be silly to not be able to get the best performance out of the thing.
On a different Luna topic, I have spent many hours updating my cheapo Dell PC and I think it may finally be ready to attempt using the BESST tool.
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Happy Holidays everyone.
Well, I'm hoping that perhaps someone on this forum might be able to offer some help. I posted in the Facebook page for X1, but it seems that most folks fail to understand the issue that I am facing.
Here is the story.
Last Monday, I rode for about 9 miles. Put the bike away with around 80% charge left. Two days later, I go to grab the bike for a ride and the battery icon is red and indicating around 9%. I was confused, as the battery LEDs are all lit up but for one, but figured perhaps I might as well throw the battery on the charger. (at this point, I'm not thinking anything is amiss. So, a few hours later, the charger light is green, so I grab the battery (confirm all LEDs are illuminated, drop it in the bike, turn the bike on, and it is reading less than 10% charge. So I change the display to Voltage, and the bike is just above 54V. So I try to ride the bike, and there is ZERO assist. Apparently, 54V indicated means nothing if the battery icon is red (and showing empty), and the display percentage is 9% or less.
Multiple battery reseating failed to change anything, although there were times when the percentage would jump to the mid 20% range, and even up to 60% (but it never stays for long -meaning more than 5-10 minutes).
One of my riding buddies has a Ludi X1, and I was able to borrow his new, never used, original display (He now has the 860 like me), and the bike still failed to show a fully charged battery, or give full power. In fact, it displayed 3% and a quick ride confirmed zero motor activity. So, we then swapped in his battery (which was at 80% on his bike, ~51V) to my bike, and still no luck.
I was certain that the issue must lie with the display, but nope. I even thought that perhaps the battery was at issue, but again, nope. My battery in his bike showed 54V and 100% charge.
I dropped my motor, and it is dry, so not likely water related (not to mention that I have not ridden in water).
So this is where I am hoping for some help from this forum. In my mind, there are only two possible culprits left...the signal cables and the motor. I did check the wires and connectors visually, and no signs of any damage. I have NOT pulled the wires from the downtube to see if perhaps any fraying had occurred during my rides, but with only 200miles on the bike, I find that difficult to believe.
I did open a ticket with Luna on the same day, Wednesday, the day before Christmas eve, and got a response to the effect that they were not sure what I was describing and to take a video. So I did that, and have followed up with better descriptions (I hope). But seeing as it is the holidays, I am a bit deflated as I do not expect much follow up in the next week...which is unfortunate as this is the only two weeks that I have any time to ride much. Once New Years passes, it will be back to weekends primarily. Bad timing.
Here is an image of the display at 54V but the battery empty. Also note that I have confirmed Voltage with a DVM.
I should add that on the rare instances when the display shows 60%, the bike rides like it should. In fact, I was riding it in my street at 20% -which means NOT full power, demonstrating how it would not wheelie in PAS3, when apparently the battery indicator jumped up, and I did not notice and almost looped out. So, full battery or not, the power appears to be metered out based upon the percentage. The battery icon also appears to be based upon percentage and not calculated from volts.
This is where the confusion on the X1 Facebook page is...the guys keep telling me that I can ride my bike since i have 54Vs...which is true, providing I am OK with riding around on a 48lb bike with no assist, or sometimes with partial assist, etc...Last edited by mw195; 12-27-2020, 04:56 PM.Comment
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Anyone know where I can find installation guidance for a Fisher Fab House LED installed on a Luna X-1? I'm sure someone has done one but I can't seem to locate any worthwhile instructions.Comment
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Sizing for X1 - I've read conflicting things about the sizing. I am 6'0" (32" in seam) and by the book, that should mean a large size. But reviews have said the X1 runs large, and for trail/enduro riding like what the X1 is made for, it's best to err on the small size. Per sizing chart, medium is recommended up to 5'11". I read a recent forum post by someone "6'1" or less" that said he regretted getting the medium. Anyone else in the 6'0" range regret getting a medium?Comment
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A lot of factors go into the bike 'fit' so likely why you see conflicting opinions. Best thing would be to look at the geometry chart, and particular, the "D" dimension for the frame sizes. On top of that, you have 170mm crank throws, the seat post can extend an additional 100mm past the top of the frame, and the 'dropper' part can extend an additional 100mm on top of that. So given the "D" dimension + crank throw + seat post + dropper extension, you can calculate exactly where that would fall for a given inseam. (32" = 813mm, btw)
Then it sort of comes down to personal preference...do you like to feel like a big guy on a small / tossable frame, or do you like to feel like you and the bike "are one", or do you like to feel like the bike is a substantial piece of equipment and you are riding along? This would guide you to the smallest frame with seat post at max extension, an average frame, or a larger frame with the seat post near minimum extensions, respectively. -
I'm the 6'1" or less guy (have shrunk with age from 6'1.5", but probably not much in the leg; inseam is roughly 32"...as I said, my torso is long). With the medium frame, seatpost adjusted to the "STOP" level and dropper at max height, my knee is way bent at the bottom of pedal stroke. Large frame lets me get in optimal pedaling position. If I had the suspension at max (i.e., at minimum sag) it might be a stretch to get a foot (toes) on the ground when stopped with the dropper at full height, but the sloping top tube means my nuts are safe in sudden stops.
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I am 5' 7" and a 30" inseam.Originally posted by Pilsy View Post
The medium fits me fine.
I doubt you want a medium
The only thing that feels taller on my X1 is the top tube height, not the bike fit.Comment
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I do not feel stretched out on my medium X1
It does not feel too big to me
It feels about like my other medium frame bikes except for the top tube height.
in fact, I am always scooching back on the seat to stretch out a bit more.
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Does anyone know where I can get replacement bar clamps for the 860c display? I wiped out and snapped both. Thinking of 3D printing some with a more flexible plastic, but am wondering if there are any more options out there.Comment
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Stem mount that may or may not be an option for your setup
I thought I had seen a complete OE style mount on thingaverse but can't find it now, it must not have had Bafang in the name, maybe it was under 8fun or one of the other more common names?
I know I have seen the mount listed for sale from one of the bafang vendors, just don't remember which one.Comment
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My 2 cents worth on the size discussion. I'm just under 6 feet and have a 32 inseam. I've owned 6 bikes over the last 40 years, always size L, either 19 or 19.5 inches. I always felt like I was stretched to maximum reach on most large frames and made adjustments with stems and seat rail position. So I bought a medium size X1. I rode my new X1 medium yesterday for 14 miles on rolling trails and pavement. It felt great, no knee pain today. Seat post is set about 0.5 inches below maximum height. I did change the stem to a 35 degree, 110mm length stem. Raising the handlebars about 1 inch for a more upright riding position. I'm 67 and wont be flying down knarly single tracks. I do spend a considerable amount of time hill-climbing and didn't feel uncomfortable standing on the pedals yesterday. I'm thinking this medium is going to work great for my needs. If it doesn't, I'll just sell it and get a large. One more thing, the 152 cranks are short, agree with another forum comment that 165 would be the perfect solution. Any one know a source for these? PS This bike is the best toy I ever got, I love it!Comment
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bengreens
Thanks for the info
What version was the bike you flashed?
My X1 was from batch #2 (mid 2019) with this info
Controller Software CRX10NC4818i132014.4 Hardware CR X10N.500.FC 3.2 Torque sensor Software SRPA212CF1010.10 Hardware SR PA21232ST.C 1.0 Comment
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Clarifying my thoughts on frame size a little, I'd like to say part of what size you're happy with will depend on how you want to use the bike. With my human-powered bikes I have the saddle adjusted so my knee is only slightly bent at the bottom of the pedal stroke. I do the same with my e-bikes. My medium X-1 doesn't come close to allowing this. For a good while I convinced myself I could live with it, that the motor made up for not being able to maximize my muscle input.
When I would switch to my regular bike it felt funny: I was up really high; it was a long stretch to get my toes on the ground; my legs seemed too straight at the bottom of pedalstrokes. (At the same time, it was awesome pedaling a 25-lb bike with skinnier tires--street slick style, even, though it's an MTB, and inflated to 60psi--I felt like Superman, as with the X-1 I try to ride as much as possible at 0 PAS. Awesome except the two times I slid out on wet pavement and went down. )
The turning point may have been when I took a loop ride that started by following an old railroad grade (easy, right?) and continued up, and up, for 29 miles, some of it through deep gravel/broken rock. In spite of my efforts to conserve battery, by the top of the climb (2000' gain) it was at 30%. No problem, as the rest was going to be mostly downhill. Except there was an insane headwind for the first few miles (flat or nearly so, and paved).
It wore me out. Kept getting down to 20%, shutting off assist (or shutting off battery entirely), and sweating like a horse. FINALLY made it to all downhill and sheltered from the wind, and really had a blast, but Iwouldn't try another 44-mile ride like that without being able to maximize my legpower.
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