Search: Posts Made By: invisiblehand
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Forum: Folding Bikes
02-20-18, 03:39 PM
Replies: 24
Views: 643
Posted By invisiblehand

I've never worked on one, but I recall folks...

I've never worked on one, but I recall folks telling me that the early models had "right folds". Facing forward, the rear triangle swings to the right rather than the left like my model. Supposedly...
Forum: Folding Bikes
02-20-18, 03:03 PM
Replies: 11
Views: 1,799
Posted By invisiblehand

AFAIK, the Ultimate Folding Bike was never a big...

AFAIK, the Ultimate Folding Bike was never a big hit.

https://ufbusa.ishopserver.com/
Forum: Folding Bikes
02-20-18, 12:25 PM
Replies: 8
Views: 620
Posted By invisiblehand

Splitting makes it considerably easier to fit,...

Splitting makes it considerably easier to fit, IME. As long as your bar is 25.4 or 26.0 and aluminum, I think they can split the bar for you. I know a few people that split Nitto bars through Bike...
Forum: Folding Bikes
02-20-18, 12:23 PM
Replies: 24
Views: 643
Posted By invisiblehand

John Allen says that his NWT can swap between 406...

John Allen says that his NWT can swap between 406 and 451. Your bike with the multiple stud mounts fits with his description. I heard that some early models had cantilever brakes. So you...
Forum: Folding Bikes
02-14-18, 11:32 AM
Replies: 83
Views: 9,589
Posted By invisiblehand

Sweet!

Sweet!
Forum: Folding Bikes
02-09-18, 03:14 PM
Replies: 29
Views: 1,674
Posted By invisiblehand

My prior is that with respect to a chain,...

My prior is that with respect to a chain, chainring, and cog, the belt drive would be lighter not heavier. I thought that was the case with tandems and timing belts, for instance.
Forum: Folding Bikes
02-09-18, 09:10 AM
Replies: 12
Views: 1,506
Posted By invisiblehand

There were 20x2.0" Primo Comets. But there was a...

There were 20x2.0" Primo Comets. But there was a lot of dishonesty in tire sizing at the time. I'd be surprised if they were close to 50 mm.

20 x 1.75" Primo Comets at the time measured really...
Forum: Folding Bikes
02-07-18, 10:19 AM
Replies: 29
Views: 1,674
Posted By invisiblehand

I expect the belt drive model to be lighter than...

I expect the belt drive model to be lighter than the chain drive.

Is the above correct? If so, can someone explain why a chain drive bike would be so much lighter? They're both single speeds.
Forum: Folding Bikes
02-07-18, 09:56 AM
Replies: 3
Views: 514
Posted By invisiblehand

Measured or claimed? Other than the OS20...

Measured or claimed?

Other than the OS20 bmx tires, I've never seen one actually 37 mm.
Forum: Folding Bikes
02-05-18, 12:34 PM
Replies: 74
Views: 6,652
Posted By invisiblehand

Whoopee! My mistake. I generally see 2- and...

Whoopee! My mistake. I generally see 2- and 6-speed versions around. Although I don't think it changes the discussion.
Forum: Folding Bikes
02-02-18, 09:35 AM
Replies: 74
Views: 6,652
Posted By invisiblehand

I have not thought of that. I'm not...

I have not thought of that.



I'm not sure what the value of a 6 versus 3 speed is in the used market. I get the sense that most folks get the 2 or 3 speed versions. So you're estimate is...
Forum: Folding Bikes
01-25-18, 09:41 AM
Replies: 27
Views: 1,286
Posted By invisiblehand

I read that after two years, you now need to...

I read that after two years, you now need to replace the rim. Over what distance is that? As you're almost certainly aware, the smaller rim will wear out faster. Based solely on geometry --...
Forum: Folding Bikes
01-24-18, 03:34 PM
Replies: 27
Views: 1,286
Posted By invisiblehand

Whoa! At least it wasn't an aluminum fork!...

Whoa!

At least it wasn't an aluminum fork!

If you were only worried about long descents and wanted a drag brake, I'd still use an ordinary fork with the drum brake.

Maybe this will be a...
Forum: Folding Bikes
01-24-18, 11:58 AM
Replies: 27
Views: 1,286
Posted By invisiblehand

Shouldn't one be worried about the extra load on...

Shouldn't one be worried about the extra load on the fork blade?
Forum: Folding Bikes
01-11-18, 12:27 PM
Replies: 51
Views: 3,429
Posted By invisiblehand

Have a great time! Let's see the prototype...

Have a great time!

Let's see the prototype front bag mount on the Curl! ;)
Forum: Folding Bikes
01-10-18, 02:08 PM
Replies: 18
Views: 739
Posted By invisiblehand

Interesting.

Interesting.
Forum: Folding Bikes
01-08-18, 11:14 AM
Replies: 103
Views: 13,320
Posted By invisiblehand

Yep ... tinkering involves a lot of trial and...

Yep ... tinkering involves a lot of trial and error, IME. Can be fun at times.

The wheel/tire size thing is particularly tricky. Brompton, of course, has 349 wheels. But I understand that it...
Forum: Folding Bikes
01-05-18, 12:21 PM
Replies: 47
Views: 3,160
Posted By invisiblehand

Older Brompton clones -- I'm thinking of the Merc...

Older Brompton clones -- I'm thinking of the Merc -- mimicked the older Brompton design which had a shorter wheelbase. (perhaps other differences ... but the wheelbase was easy to measure) Perhaps...
Forum: Folding Bikes
12-26-17, 09:18 PM
Replies: 13
Views: 802
Posted By invisiblehand

Merry Christmas and Happy Holidays to all!

Merry Christmas and Happy Holidays to all!
Forum: Folding Bikes
12-22-17, 09:23 AM
Replies: 34
Views: 1,562
Posted By invisiblehand

Weight matters for packed travel and carrying the...

Weight matters for packed travel and carrying the bike. I understand that it's roughly a pound when everything is accounted for including differences in the frame. (this is what's claimed by...
Forum: Folding Bikes
12-18-17, 02:17 PM
Replies: 34
Views: 1,562
Posted By invisiblehand

Weight and more susceptible to damage while...

Weight and more susceptible to damage while folded/transported.
Forum: Folding Bikes
12-18-17, 12:12 PM
Replies: 53
Views: 2,904
Posted By invisiblehand

Interesting. It's definitely hard to describe...

Interesting. It's definitely hard to describe these issues relative to having the bike in front of you and testing a few things out. But it looks sweet. Congratulations on the new ride.

What...
Forum: Folding Bikes
12-07-17, 02:39 PM
Replies: 30
Views: 3,595
Posted By invisiblehand

https://paulcomp.com/shop/components/motolite/

https://paulcomp.com/shop/components/motolite/
Forum: Folding Bikes
12-04-17, 10:58 AM
Replies: 71
Views: 15,412
Posted By invisiblehand

My take is that this is the main point. If...

My take is that this is the main point. If anyone thinks that a Chinese knockoff can be efficiently brought into say the US and a decent profit made, they should go for it. As I wrote earlier, I...
Forum: Folding Bikes
11-27-17, 02:42 PM
Replies: 26
Views: 1,518
Posted By invisiblehand

My training ride times were pretty close across a...

My training ride times were pretty close across a Salsa La Raza and Bike Friday NWT. On the order of what one might expect for a 5 pound difference in weights.
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