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Search: Posts Made By: overbyte
Showing results 1 to 50 of 63
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Forum: Folding Bikes
04-27-14, 05:37 PM
Replies: 288
Views: 63,937
Posted By overbyte

Adjustable trekking handlebars and bar-end extensions.

I tried on my new adjustable handlebar today. This was somewhat involved. I had to figure out how to remove the steering post, which stopped coming up at its maximum allowed extension. Turns out...
Forum: Folding Bikes
04-27-14, 04:52 PM
Replies: 288
Views: 63,937
Posted By overbyte

So that speaks in favor of the knight or soldier...

So that speaks in favor of the knight or soldier riding on the left and using the right hand for the lance or sword while controlling the reins with the left hand, as the British Commonwealth...
Forum: Folding Bikes
04-27-14, 10:43 AM
Replies: 288
Views: 63,937
Posted By overbyte

Swapping the brake levers, left and right.

Normally, in the US and I assume in other countries which drive on the right side of the road, the left arm is used for hand turn-signals. Since bike braking is more stable when just the rear brake...
Forum: Folding Bikes
04-26-14, 08:53 PM
Replies: 288
Views: 63,937
Posted By overbyte

Photos--Got it into a 25"L x 12"W x 13"H duffle bag.

I compacted the bike with my 400 mm seat post still installed, then put it into a rolling duffle bag I had. This duffle used to have a telescoping handle, but to save weight and maximize the...
Forum: Folding Bikes
04-24-14, 11:19 PM
Replies: 288
Views: 63,937
Posted By overbyte

That looks great! I'll measure the diameter of...

That looks great! I'll measure the diameter of the tubing and see if the Rans adjuster will fit. Thanks!

...

I measured. Unfortunately, the steering tube that needs the adjuster is a little...
Forum: Folding Bikes
04-23-14, 07:06 PM
Replies: 288
Views: 63,937
Posted By overbyte

Before I invest more time in the gearing, I need...

Before I invest more time in the gearing, I need to work on the loose steering issue. The headset is something like a threadless headset, but there's no way, no bolt, to compress the stack due to...
Forum: Folding Bikes
04-23-14, 04:46 PM
Replies: 288
Views: 63,937
Posted By overbyte

Here are the specs for the Shimano Nexus-8 IGH:...

Here are the specs for the Shimano Nexus-8 IGH: Product (http://www.shimano.com/publish/content/global_cycle/en/us/index/products/0/nexus/product.-code-SG-8C31.-type-..html).
It says that the gear...
Forum: Folding Bikes
04-23-14, 02:11 PM
Replies: 288
Views: 63,937
Posted By overbyte

More accessories for the FreeRide folding bike.

My longer seat post came today, a 400mm post. It is a big improvement for my leg extension on the full downstroke. I also received other posts I bought to build a telescoping seat post, but I...
Forum: Folding Bikes
04-23-14, 01:39 PM
Replies: 288
Views: 63,937
Posted By overbyte

But you can replace the crank arms and chain ring...

But you can replace the crank arms and chain ring with one made out of aluminum alloy with a 40T chainring, from a seller called "FreeRide World" on Taobao. Price is cheap but shipping may make it...
Forum: Folding Bikes
04-21-14, 07:42 PM
Replies: 288
Views: 63,937
Posted By overbyte

I looked more closely. I was measuring the...

I looked more closely. I was measuring the distance between the mounting screws of the chain guard ring, not the mounting screws of the chainring sprocket. Unfortunately, the chainring is not...
Forum: Folding Bikes
04-21-14, 02:48 PM
Replies: 288
Views: 63,937
Posted By overbyte

I looked at the SRAM i-Motion 3 hub instruction...

I looked at the SRAM i-Motion 3 hub instruction sheet:...
Forum: Folding Bikes
04-21-14, 01:33 PM
Replies: 288
Views: 63,937
Posted By overbyte

Great, Bruce! Can you tell me the...

Great, Bruce!

Can you tell me the parameters of the springs you wound? Mandrel diameter, number of turns, wire gauge, type of wire, and at what approximate rpm that spring triggers the shifting?...
Forum: Folding Bikes
04-21-14, 11:49 AM
Replies: 288
Views: 63,937
Posted By overbyte

I looked again at the folded bike. ...

I looked again at the folded bike. Unfortunately, the right side of the rear wheel folds so close to the accordion folded frame when the wheels fold up, that there is not enough room for the...
Forum: Folding Bikes
04-20-14, 09:59 PM
Replies: 288
Views: 63,937
Posted By overbyte

I haven't received my telescoping seat post and...

I haven't received my telescoping seat post and folding handlebar yet, but they're shipped and on their way to me. Meanwhile, I've been thinking about the gearing. Thinking out loud here ...

I...
Forum: Folding Bikes
04-18-14, 10:02 AM
Replies: 288
Views: 63,937
Posted By overbyte

Off topic, but I thought I'd pass on, since we're...

Off topic, but I thought I'd pass on, since we're talking about dealing with Chinese sellers, a recommendation for a YouTube channel by a cute young woman who is an excellent teacher of...
Forum: Folding Bikes
04-18-14, 09:33 AM
Replies: 288
Views: 63,937
Posted By overbyte

AliExpress has features which provide some...

AliExpress has features which provide some protection for buyers against sellers who may cheat the buyer, but sometimes the rules get in the way of the honest seller who just needs a little more...
Forum: Folding Bikes
04-16-14, 07:36 PM
Replies: 288
Views: 63,937
Posted By overbyte

I ordered some parts to upgrade it.

I ordered some additional seatposts and seatpost clamps in the right diameters to let me make a telescoping seatpost so I can have a higher seat position for better knee angle. Currently, when I...
Forum: Folding Bikes
04-16-14, 03:36 PM
Replies: 288
Views: 63,937
Posted By overbyte

Just to be perfectly clear, you are not saying...

Just to be perfectly clear, you are not saying that the seller "Best Outdoor" has been suspended by AliExpress, but rather that the seller of the CarryMe trike (who was not Best Outdoor) was...
Forum: Folding Bikes
04-11-14, 02:39 PM
Replies: 288
Views: 63,937
Posted By overbyte

Brilliant! I didn't think of the tandem...

Brilliant! I didn't think of the tandem cranksets. Here's one as an example, which can be used on left front of a tandem, with the chain mounted on the left, and it has the standard JIS square...
Forum: Folding Bikes
04-11-14, 07:59 AM
Replies: 288
Views: 63,937
Posted By overbyte

I didn't understand the concern before my last...

I didn't understand the concern before my last post, I was focused on the pedals' thread, but then I realized what people were saying. They are special cranks, so if one breaks, you'd have to order...
Forum: Folding Bikes
04-11-14, 07:28 AM
Replies: 288
Views: 63,937
Posted By overbyte

I think this should clear up the confusion. Yes,...

I think this should clear up the confusion. Yes, they are special crank arms. The crank arms are normal in the way that pedals mount, but they are special crank arms because the chainring is...
Forum: Folding Bikes
04-10-14, 10:07 PM
Replies: 288
Views: 63,937
Posted By overbyte

Thanks, Bruce. I'll stay away from carbon fiber...

Thanks, Bruce. I'll stay away from carbon fiber for this little bike, but maybe someone else would want to try it.
I've found several 31.8 mm seat posts on Niagaracycle.com for not much money,...
Forum: Folding Bikes
04-10-14, 08:25 PM
Replies: 288
Views: 63,937
Posted By overbyte

Yes, it has a normal chain drive (except for the...

Yes, it has a normal chain drive (except for the custom tensioner sprocket) on the left and a toothed belt on the right side from jackshaft to rear sprocket. The belt is necessary to allow the rear...
Forum: Folding Bikes
04-10-14, 08:22 PM
Replies: 288
Views: 63,937
Posted By overbyte

From the minimum insertion mark to the start of...

From the minimum insertion mark to the start of the tapered shoulder at the saddle end, the seatpost is 190 mm.
Forum: Folding Bikes
04-10-14, 07:55 PM
Replies: 288
Views: 63,937
Posted By overbyte

That's interesting, but I don't think I can buy a...

That's interesting, but I don't think I can buy a Brompton telescoping seat post in the US where I am. I searched and found an online seller "Evans Cycles" which listed the Brompton telescoping...
Forum: Folding Bikes
04-10-14, 07:50 PM
Replies: 288
Views: 63,937
Posted By overbyte

No, that's not what I mean. The crank arms are...

No, that's not what I mean. The crank arms are both the kind that mount onto square tapered bottom bracket shaft. That looks normal to me. The pedals screw into the crank arms in the normal way. ...
Forum: Folding Bikes
04-10-14, 04:32 PM
Replies: 288
Views: 63,937
Posted By overbyte

Thinking about some more upgrades

I got the idea of replacing the seatpost with a telescoping post. The seatpost on the bike now is outside diameter 31.8 mm. If I can't find a telescoping post that is 31.8, I will try to find a...
Forum: Folding Bikes
04-10-14, 04:23 PM
Replies: 288
Views: 63,937
Posted By overbyte

That happened to me, too. There's a time limit...

That happened to me, too. There's a time limit for the seller to ship the product and notify AliExpress, otherwise the order gets canceled and your money is returned to you. The seller didn't have...
Forum: Folding Bikes
04-10-14, 01:45 PM
Replies: 288
Views: 63,937
Posted By overbyte

I bought mine from a seller on AliExpress.com. ...

I bought mine from a seller on AliExpress.com. On the "orders" page, there is a status link which showed me the tracking number after the product was received by FedEx. At first, that tracking...
Forum: Folding Bikes
04-09-14, 12:31 AM
Replies: 288
Views: 63,937
Posted By overbyte

Super-compact bike went to the park today.

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Forum: Folding Bikes
04-08-14, 09:38 PM
Replies: 288
Views: 63,937
Posted By overbyte

Luggage case for the bike

Today I went shopping at a local discount department store that has a large selection of rolling luggage and rolling duffle bags. I found one that is just deep and wide enough for the folded bike. ...
Forum: Folding Bikes
04-08-14, 09:18 PM
Replies: 288
Views: 63,937
Posted By overbyte

Better braking with new front pads

Definitely the braking action is much better with the V-brake pads on the front instead of the small gray pads that come with the bike. I rode it today on a short ride, and confirmed that it stops...
Forum: Folding Bikes
04-06-14, 10:47 PM
Replies: 288
Views: 63,937
Posted By overbyte

After my 3 rides totaling 25 miles of riding the...

After my 3 rides totaling 25 miles of riding the bike, I'd say it's not a toy, but it is a special-purpose bike. Its primary claim to fame is the super-compact folding. It's a "take-along" bike,...
Forum: Folding Bikes
04-06-14, 10:11 PM
Replies: 288
Views: 63,937
Posted By overbyte

Another day doing tourist things with the bike.

Today was a beautiful day, so I took the bike out in the afternoon to test it some more. I started with the descent from my house near the UC Santa Cruz campus downhill about 380 feet to downtown...
Forum: Folding Bikes
04-06-14, 08:34 PM
Replies: 288
Views: 63,937
Posted By overbyte

Yes, the fold involves some twisting. I'm sure...

Yes, the fold involves some twisting. I'm sure this belt won't last as long as it could since it is being folded, which is perhaps a good reason to store the bike unfolded when you can. (Just like...
Forum: Folding Bikes
04-05-14, 10:41 PM
Replies: 288
Views: 63,937
Posted By overbyte

What impresses you? The small compact size of...

What impresses you? The small compact size of the folded bike? Anything else?
Forum: Folding Bikes
04-05-14, 10:00 PM
Replies: 288
Views: 63,937
Posted By overbyte

373070373071373072373073 (Apparently my cell...

373070373071373072373073 (Apparently my cell phone camera didn't focus well on the 2 most close photos here.)
I did a quick measurement without removing the rear wheel. The distance between the...
Forum: Folding Bikes
04-05-14, 09:28 PM
Replies: 288
Views: 63,937
Posted By overbyte

Interesting. I might give them a try when I'm...

Interesting. I might give them a try when I'm ready to upgrade the bike. To get a feel for the difference, I could lower the pressure in the tires of another bike which has higher pressure tires,...
Forum: Folding Bikes
04-05-14, 09:02 PM
Replies: 288
Views: 63,937
Posted By overbyte

Rode the bike today to Trader Joe's market.

I rode today downhill to Trader Joe's market in Santa Cruz. I folded the bike and put it into the shopping basket so I didn't have to lock it outside:
373058373059
There were several people who...
Forum: Folding Bikes
04-03-14, 11:46 AM
Replies: 288
Views: 63,937
Posted By overbyte

I agree that the band brake is not great. It...

I agree that the band brake is not great. It takes a lot of squeeze pressure to get just a modest amount of braking. It stops, but not as quickly as I would prefer. Therefore, I always use both...
Forum: Folding Bikes
04-02-14, 11:11 PM
Replies: 288
Views: 63,937
Posted By overbyte

I've been calling the rear brake a "drum" brake,...

I've been calling the rear brake a "drum" brake, but it's called a "band" brake since it has a metal band with brake-shoe material riveted to it, and the actuation of the brake pulls the band tightly...
Forum: Folding Bikes
04-02-14, 05:37 PM
Replies: 288
Views: 63,937
Posted By overbyte

Thanks for that link to the gear analyzer. It...

Thanks for that link to the gear analyzer. It actually didn't take a lot of time to do the calculations. (What took time was counting the gear teeth and writing out the explanation and results.) I...
Forum: Folding Bikes
04-02-14, 03:59 PM
Replies: 288
Views: 63,937
Posted By overbyte

Yes, you can do a direct measurement of gear...

Yes, you can do a direct measurement of gear inches by carefully measuring the distance the bike rolls for one full crank revolution. The formula lets you do "what-if" calculations without actually...
Forum: Folding Bikes
04-02-14, 01:19 PM
Replies: 288
Views: 63,937
Posted By overbyte

Yes, you can't rely upon the appearance on the...

Yes, you can't rely upon the appearance on the photos for size comparisons of objects not in the same plane because of parallax and short focal length lens (which exaggerates size difference between...
Forum: Folding Bikes
04-02-14, 12:50 PM
Replies: 288
Views: 63,937
Posted By overbyte

Gear-inches, gain ratio

Here are the gear measurements.

The crank chain ring sprocket is a 40-tooth. The jackshaft sprocket where the chain engages is a 10-tooth sprocket. The jackshaft has no internal gearing. It is...
Forum: Folding Bikes
04-02-14, 11:01 AM
Replies: 288
Views: 63,937
Posted By overbyte

Looking at those folding handlebars, and making...

Looking at those folding handlebars, and making more measurements, I have this comment. The handlebars, when telescoped in as far as they'll go against the handlebar bag mounting device as shown,...
Forum: Folding Bikes
04-02-14, 10:45 AM
Replies: 288
Views: 63,937
Posted By overbyte

I haven't counted the teeth on the sprockets yet,...

I haven't counted the teeth on the sprockets yet, but I will do it and calculate the gear-inches.
I rode it briefly yesterday again, between rains. I have a short steep hill getting out of my...
Forum: Folding Bikes
04-01-14, 05:19 PM
Replies: 288
Views: 63,937
Posted By overbyte

A few more photos

I installed a handlebar bag that mounts by a removable quick-release system called Klickfix. It's a Giant Shadow Dry waterproof bag. Here are some photos with the bag on and off, and with the bike...
Forum: Folding Bikes
04-01-14, 05:00 PM
Replies: 288
Views: 63,937
Posted By overbyte

Although the chain is on the left, you still...

Although the chain is on the left, you still pedal forward to move the bike forward, so the pedals screw into the crank arms in the normal way: on the right side, righty-tighty; on the left side,...
Forum: Folding Bikes
03-31-14, 09:39 PM
Replies: 288
Views: 63,937
Posted By overbyte

I stopped by a bicycle store today on the way...

I stopped by a bicycle store today on the way home from my weekend meeting. This one is in a city which has a significant number of commuters who get to work by bus, train, or BART (Bay Area Rapid...
Showing results 1 to 50 of 63
 
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