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He (or she) is in 'pre-assembly' at REI, pickup is tomorrow. I wonder if he's scared, all alone at the shop. Nah. Plenty of other bikes around to keep him company. And the vets seemed nice, too. I made sure they would feed him, because I'm riding him over 10 miles home. How will I sleep...

As many of you know, I ride an XCish 46ish pound Class 1 FS eMTB with a 250 watt 40 nm motor and 34mm Suntour middle-of-the-road front fork. I break 30 MPH fairly frequently and occasionally break 40 MPH, but do that only very briefly on pavement that is smooth. On the trail I'm usually on...

Just a quick update on the Marin build. I know @PedalUma packed my motor in a lot of grease, and you'd expect the bike would get more efficient as that burns off, but I still am very pleasantly surprised by how well this motor and battery have broken in. With 23 miles on the battery and 2,000...

Translation: Basic Math for Elementary School - Strategically Erase Letters on Cover of Math Book = Bath Mat for the Mental Fool I have a 7Ah 48 volt battery (which I figure at 336 Wh) that is absolutely fine for most of my needs. I can probably get 30 miles out of it given moderate to severe...

Ooh, but a sour note today: I only got 28 miles from approximately a 90% charge (could have been anywhere from 81 to 99%) on Seeker's Shimano BT-E6010 battery. Last time I checked, which was about 700 miles and a year + ago, I was still getting around 40 miles with 4,000 feet of vertical...

This is definitely kind of crazy. I rode my new Marin build for a few weeks, then got a flat, and took the opportunity to start work on experimenting with the cluster to improve the chain line, which is taking me a really long time because the mechanical part of my brain only lit up a few years...

So Catalyzt is feeling hella stupid, as my younger friends would say. I just posted about carrying my weight-weenie tool-kit, proudly describing the tools I carry... but as I raced out the door today for a 20 mile ride with a friend, did I strap those tools to the new Marin Build? No, I did...

Here's what happened: I've got this cheap-o, off-brand electric compressor/pump, electric-drill type of thing. And for the last month or so, it seemed to be acting up-- it wasn't stopping at the target pressure, then wasn't stopping at all, then I wasn't sure it was reading the pressure right...

I have a longer deferred maintenance story to tell soon, but while that was being resolved, my LBS scolded me about not using the right seatpost for my CF seat. I've got to address that-- and I don't have torque specs for the seat, either, which makes me nervous. I'm kind of glad that I never...

(Updating Old Thread - Skip to Last Posts) Well, I seem to be lingering at that "know just enough to be dangerous" point in this sport. Funny combination of circumstances. I have a client who does some extreme / high-risk skiing and other sports, and was thinking of walking them through some...

So, took Survivor on an 8-or-10 mile ride last week no problem. I did forget to shut off the battery (which happens often-- basic kit, no auto shutoff) and I know it has fast passive drain, being a tiny battery, so I charged it up before taking it out yesterday... And it died almost...

I know I'm supposed to check with soap bubbles, and I may try that, but this is a pretty slow leak with the following characteristics: * Higher pressure and riding does not appear to speed up the speed of the leak, it appears only related to time. Thus, if I pump the tire to 50 PSI, it will...

Conceptually, I have nothing against electric cars-- if there were one available that worked for me, I'd probably prefer one. However, here in Hollywood, Tesla drivers are sometimes, not always, pretty obnoxious. Seems like a 50/50 split, either they are unusually courteous, or unusually...

Except, fortunately, serious injury: Just after dark, almost zero visibility, terrible judgment, slippery surface, foxtails and thorns, even a pack of wild carnivorous animals. I was hazing my way through a pack of small-to-medium size coyotes on what looked like a short but idyllic path off...

I'm thinking about some serious upgrades for my kit bike, the Trek 930 / Clean Republic front hub drive. How weird would it be, how much weight would I gain or lose, and how much would it cost, to do the following, do you guys think? 1) Get rid of the front derailleur entirely. 2) Replace...

So I thought I'd try hypermiling this last charge to see what my maximum practical range would be, and calculate whether I will actually be able to ride some of the routes I have planned. (This information might also be marginally useful to people who are thinking of buying an eMTB with similar...

Okay, I'm now noticing a second problem besides the shifting issue. :mad: I have the bike on a stand -- a microphone stand, using a web belt and a... never mind. Anyway, I notice that there is friction in the rear wheel somewhere-- it's not freewheeling as freely as it should, and I hear a...

Hi, folks, Yesterday, I had my first ride over 10 miles for the season (15 miles, 1,100 feet of vertical) and I noticed that the chain was often not dropping into the right gear when I moved the shift lever a click-stop, made that rattling 'between gears' sound or didn't shift. I also noticed...

First time my eMTB actually slid completely out from under me and into the dirt... I've come close before, but the first time it actually got away from me. Absolutely no damage or injury, just irritated it happened on the left side, where I could have bent a hanger. This is actually a good...

Okay, the good news is: I discovered a new trail in the hills behind Griffith Park that is, apparently, not illegal for bikes! There is a forbidding, but ancient, "No Trespassing" sign, but read it closely, and it applies only to cars and dumping. Carried my bike around the gate, and wow-- a...