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Bing cannot find the urtopia fold2 except for this thread. The fold1 with 18" wheels looks like a good way to bite your tongue off. You never hit potholes? Not even in the rain? Oh, yeah, most posters here never ride in the rain. If I wanted a folding bike, I would buy an Airnimal Joey with...

I hiked trails in Big Bend Natl park spring break 1971. I had two friends and a full US Army canteen. Good plan. I did not see any rattlesnakes but they are out there. We mostly did not see other hikers. I ride 10 miles off the cell-phone service sometimes in Indiana. My bike will pedal...

Fat tires are for fluffy beach sand, or powder snow. Any other application, IMHO, is wrong. They are fashionable now, but stupid in other terrain. I ride knobbies on street, because they have 1/10 the flats of street tires. No liners, slime, tubeless, etc etc required. Just change them when...

Well, I bought used front 350 w bafang motors from batteryclearinghouse.com for $36 each, with hall effect sensors. Look around, Sensorless motors are from the dark ages. Post #4 has a picture of a controller with a master switch input, which is jumpered. That must be shorted to run. The red...

The PAS pickup could be defective or have a different pinout than the controller expects. There is usually one +5 v, one ground, one sensor input. I can usually spot the +5 and ground with a DVM. Fashions in pin arrangement change over the years, and I have no experience with 2015. I...

Ha Ha Ha Ha!. No, 4000 feet of continuous climbing will burn most anything. But the 1000 W 48 v geared hubs from Cutler Mac will start on a 15% grade at 330 lb gross. Accelerate up to 6 mph if I don't help. My grades are 100' long., but there are 3 or 4 at the end of my 30 mile commute...

Maybe in California NYC and London. There are still 600 sqft houses available here, with on lot parking, city water, sewer, natural gas.

Move to a part of the country that has surplus houses. I did. Housing market crashed here after the nuclear plant they were building was cancelled. I bought at the market bottom. Got the house for 1.2 times my annual salary at the new job. I left Houston because every time I got a raise, rent...

Best of luck. I find Kenda knobbies do not go flat if tires are changed out when knobs are > 3/32" tall. Roll over the trash. Noise? I can still hear the cars fine through the full face helmet. I ride pavement 99%. It does help to buy the ones with a ridge straight down the middle. My first...

Youtube & facebook videos are an incentive to stupid behavoir. In the sixties I never thought of doing any of the stupid things people do now. Dozens of people fall taking selfies at scenic overlooks. I've fallen off the bike dozens of times, was hit by cars 3 times, hit&run once. Three...

The chance of finding a battery with exactly the same connector and mounting method is about zero. If you can get into the bike wire harness and cut off the connector, some generic 48 v battery could be used. My lunabikes battery came with XT90 connectors, but I was unable to solder on a mating...

No. Phase to phase only, .4 to .8 ohms. No continuity phase to housing. My "48 v" battery reads 54.6 at full charge. Same proportion for 72 v batteries. No way a 72 v combination is class 1 or 2. My scout friends in 1958 were threatened with arrest if they continued to drive their 2 1/2 hp...

No bike that fits me is stocked in this tiny city of 2000000. Except a pink one with rim brakes, 7 speed insta-fail rear axle, and a holly hobbie logo on the seat. I ordered my yuba from CA without ever sitting on it. Almost fits. Almost no dealer will order a bike for a short person unless...

I find high mounted load does not cause excessive wobble unless >90 lb. I only weigh 160 lb. Half full liquid containers that slosh around do cause some problem.

All bikes now have fast steering. MTBs and cruisers have thrown me on my chin 6 times since 2008. Custom frame builders will not consider returning the steering caster to the pre 1990 value. Extra frame is required to clear the additional trail of the front wheel, which does not fit standard...

I let my bike down the stairs with the front brake. I use knobby tires to prevent flats, so traction is not a problem. I have front wheel drive so powering up with the throttle does not work. But it would with rear wheel drive and a throttle. I'm 74 years old and have rather wimpy arms.

Welcome to the print side of things. Those of us who read 2000 wpm are impatient with the slowness of speech in videos & podcasts. A picture is worth 1000 words, however. I ventured into Utah a couple of years ago. Hovenweep, Arches monument, Mule Canyon kiva, down the Moki Dugway on Hwy...

The yuba, the giant, and the blix stretch cargo bikes have bosses welded in the frame at the front to carry loads in a rack that does not steer. Yuba sells a basket for that position. You see in the avatar, I have my battery mounted up there in front. It is such a PITB to get the bolts out...

My yubabike bodaboda will take panniers plus a child seat. The baling twine I hold the panniers on with does not interfere with the child seat bars. The yuba panniers have a kevlar bar rivited to the back of the pannier which I can easily loop twine through. When I looked to replace them after...

I charge to 100% only twice a year. My 17.5 ah 48 v battery was purchased 9/18. It is fine. I have charged it approximately 500 cycles. Usually 85-95 %. I use a 120 vac timer to shut charger off. Controller usually red lights & cuts out on a steep hill 3 miles from my destination, although...