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Forum: Folding Bikes
07-07-19, 11:46 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

Moving from titanium to aluminum or steel is a...

Moving from titanium to aluminum or steel is a complete redesign of the bike.

For the price, aluminum would provide big savings but the bike will probably be very different I doubt that the...
Forum: Folding Bikes
05-17-19, 02:45 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

That's de point: what is the production price of...

That's de point: what is the production price of Helix ?

The combination of titanium and a very complex design requiring many CNC machined specific parts normally means a high production price.
...
Forum: Folding Bikes
05-11-19, 03:27 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

Mounting a Brooks saddle (or any other standard...

Mounting a Brooks saddle (or any other standard rail saddle) shouldn't be a problem.

But the two others seems almost impossible.

The Brompton front block will hit the lefty fork when turning...
Forum: Folding Bikes
04-04-19, 03:14 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

With 10 bikes per month and 1700+ bikes to...

With 10 bikes per month and 1700+ bikes to produce, the last one will be delivered in 170 months from now = 2034 !

BTW, besides production, there is also shipment to backers and pre-orders all...
Forum: Folding Bikes
03-29-19, 03:28 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

Are these four bikes part of the two 5 bikes...

Are these four bikes part of the two 5 bikes batch shipped or are they part of a third batch ?

If its a third batch, any idea how many bikes in this third batch ?
Forum: Folding Bikes
03-20-19, 03:55 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

First, the legendary feel of titanium is......

First, the legendary feel of titanium is... partly legendary several titanium frames do not provide this legendary feel (some are too stiff and uncomfortable, some are too soft and lack rigidity...)....
Forum: Folding Bikes
03-12-19, 01:41 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

For remembrance, the BW case for Brompton is also...

For remembrance, the BW case for Brompton is also too big according to the 62" rule ( BW size is 25.2 x 27.6 x 13 inches = 64.8") but many people used it with many airlines without problems.

Now,...
Forum: Folding Bikes
03-10-19, 06:33 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

Thanks for the new pictures and comments. ...

Thanks for the new pictures and comments. Amazing how complex this bike is, it is really incredible, lots of small parts, must take a lot of time to assemble.

What would be very interesting is to...
Forum: Folding Bikes
03-09-19, 04:13 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

Once the parts are available (frame, fork, rear...

Once the parts are available (frame, fork, rear frame, components...) assembling the bikes is mainly done by hand and the amount of bikes assembled per day or week or month depend of the amount of...
Forum: Folding Bikes
03-05-19, 02:24 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

Any announcement of the shipment of a second...

Any announcement of the shipment of a second batch of Helix ?
Forum: Folding Bikes
03-04-19, 10:14 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

+1 : for a folding bike, the weight is very...

+1 : for a folding bike, the weight is very important because many people need to carry their bike.

11.38 may seems not heavy but remember that this a "naked bike" weight, for a utility bike you...
Forum: Folding Bikes
03-04-19, 12:43 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

You are right, there are indeed cheap ultra...

You are right, there are indeed cheap ultra lightweight Chinese components.

But would you really dare to ride with ultralight cheap Chinese carbon seatpost, handlebar, saddle... ? I feel safer on...
Forum: Folding Bikes
03-03-19, 05:12 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

Do we have any information about the tube...

Do we have any information about the tube thickness and frame weight ?

KS project says " Approximate Weight: 21.1 lbs (9.57 kg) " for te 10 speed version, video show 11.38kg, so its 1.8kg over and...
Forum: Folding Bikes
03-03-19, 03:59 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

2kg saving is a lot and would bring Helix at...

2kg saving is a lot and would bring Helix at 9.38kg, still almost 1.5kg more than a Burke and a titanium Brompton. (I do not take into account weight weenies single speed Brompton that weight less...
Forum: Folding Bikes
03-02-19, 03:45 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

I completely agree with you,Helix uses a...

I completely agree with you,Helix uses a lightweight material but its design specificity makes it heavy: bigger heavier wheels, heavy folding fork, heavy helical hinge, heavy rear frame lock...
...
Forum: Folding Bikes
03-02-19, 06:13 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

Linberl, , I agree with you that there is...

Linberl, , I agree with you that there is marketing in every KS project, its part of the game. There is also marketing in any new product launch.

But for Helix, marketing was really very...
Forum: Folding Bikes
03-01-19, 04:49 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

I understand your concern, but there are two main...

I understand your concern, but there are two main reasons for all these comparisons:

First, maybe the most important, the goal of the project is not to make a single batch of bikes but to start...
Forum: Folding Bikes
03-01-19, 03:24 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

The video is very interesting ! It show the...

The video is very interesting !

It show the folding with plastic, slow and hard to operate locking mechanism (fork, stem/handlebar, locking of the folded front wheel). The rear triangle locking...
Forum: Folding Bikes
02-28-19, 03:36 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

This seems pretty heavy for a superlight Brompton...

This seems pretty heavy for a superlight Brompton !

Mine, originally a S6Ex with many lightweight components (AX Lightness saddle, Brompfication seatpost, Ridea brakes, Tune Bigfoot crank, TI...
Forum: Folding Bikes
02-25-19, 07:52 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

The announced accessories are I think mandatory...

The announced accessories are I think mandatory for a successful business with a folding bike which for most users is a utility bike.. Its I think a big part of the Brompton success together with...
Forum: Folding Bikes
02-25-19, 03:16 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

We discussed a lot weight, fold and folded size,...

We discussed a lot weight, fold and folded size, a little ride and fit (because we know little about that) but if we look at what made the success of Brompton, we forgot practicality.

The Brompton...
Forum: Folding Bikes
02-22-19, 02:47 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

As already said, 24" wheels, especially with 40mm...

As already said, 24" wheels, especially with 40mm wide tires, do not provide any benefit wrt. 20" wheels, only drawbacks ! Several other folders manufacturers had or have some folders models with...
Forum: Folding Bikes
02-21-19, 03:33 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

A S6Ex Brompton (flat-bar, superlight, no rack,...

A S6Ex Brompton (flat-bar, superlight, no rack, no mudguards, no light = same as what current Helix is) weight about 10.5kg.

Seattle Cycles Burke starts at 8kg (manufacturer info, not verified as...
Forum: Folding Bikes
02-20-19, 02:46 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

Yes, as always with KS projects that become...

Yes, as always with KS projects that become products, price increase.to reach the market price of other similar products.

The problem here is that the market price of similar products is not 20%...
Forum: Folding Bikes
02-20-19, 10:44 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

Indeed, helical hinge were known from the...

Indeed, helical hinge were known from the beginning of the project but they are complex and expensive to build.

For the protection against dirt (I would say that the two helical hinge are placed...
Forum: Folding Bikes
02-20-19, 06:46 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

Too small screen + automatic automatic...

Too small screen + automatic automatic spellchecking !

BTW, seems to be very little space for mudguards (that would help to keep the helical grove of the fork clean).

Do we have any idea of the...
Forum: Folding Bikes
02-20-19, 05:01 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

I wonder how you want to electrify it ? What...

I wonder how you want to electrify it ?

What kind of motor: front hub seems difficult with the lefty fork, bottom bracket motor also due to folding and because the seat tube is place in front of...
Forum: Folding Bikes
02-19-19, 04:26 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

For the seat post, on one picture, it seems not...

For the seat post, on one picture, it seems not round but on the seat tube it is written diameter 28.6mm what means that it is round.

But the first thing that came to my mind seeing the detailed...
Forum: Folding Bikes
02-13-19, 03:04 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

Its published in several business reviews, just...

Its published in several business reviews, just one https://road.cc/content/news/235018-brompton-turnover-sharply-201617-despite-flat-volumes

When moving to the new factory, Brompton CEO Will...
Forum: Folding Bikes
02-13-19, 01:17 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

Coming back to the folders market, there is a...

Coming back to the folders market, there is a clear demand for electric assist folders but the main competitor for folders now is electric scooter including the public ones like the Lime, overboards,...
Forum: Folding Bikes
02-12-19, 07:47 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

Bigger wheel size: there are few other folders...

Bigger wheel size: there are few other folders with same wheel size (but that accepts the normal ETRTO507 tire size what Helix doesn't), not widely used because useless, only drawbacks. ETRTO 507...
Forum: Folding Bikes
02-12-19, 01:01 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

Raxel. you should look at the history of the...

Raxel. you should look at the history of the project from the beginning: originally, the Helix frame was build by an experienced Canadian titanium parts manufacturer, Peter wasn't considering to...
Forum: Folding Bikes
02-11-19, 05:00 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

You are completely right. There are no new...

You are completely right.

There are no new paradigm at all,

ETRTO 507 wheels for folders has already be done and is not widely used because it is a drawback and not a benefit.

The folding...
Forum: Folding Bikes
02-09-19, 02:16 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

One of the potential problems of size for big...

One of the potential problems of size for big people of the Helix is B) Effective top tube length: 590 mm Hopefully, this has changed since the Kickstarter campaign)...
Forum: Folding Bikes
02-09-19, 12:30 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

The fact that a size is defined as a standard,...

The fact that a size is defined as a standard, doesn't mean that there are components available.

If you have a bike with ETRTO 507 wheels and have a wide choice of tires, it means that that bike...
Forum: Folding Bikes
02-09-19, 11:11 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

If you consider any ETRTO size to be standard,...

If you consider any ETRTO size to be standard, then yes ETRTO 507 is a standard component.

But if you look at the amount of road bikes using ETRTO 507 wheels, then its not (there is ETRTO 520 for...
Forum: Folding Bikes
02-09-19, 04:11 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

Sure, it will help but nothing replaces...

Sure, it will help but nothing replaces experience and real users.

All bakes use many standard components, the folders are a type of bike that need several specific components (like the Helix...
Forum: Folding Bikes
02-08-19, 01:10 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

If you are an experienced design engineer, you...

If you are an experienced design engineer, you know like me that the probability of being first time right when you make a completely new product from scratch is very low, there are always problems...
Forum: Folding Bikes
02-08-19, 09:37 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

Nobody tested this bike, nobody even saw it in...

Nobody tested this bike, nobody even saw it in real, so this statement seems to me a little bit optimistic !

A more realistic statement is to say that there are now bigger chance that you will...
Forum: Folding Bikes
02-07-19, 12:57 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

All these Chinese titanium copy of Brompton or...

All these Chinese titanium copy of Brompton or Montague are very low volume production, these guys do not try to reach a low price for them, its not comparable to what Helix wants to do i.e.a much...
Forum: Folding Bikes
01-19-19, 05:45 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

Not sure at all. On a folder, usually all...

Not sure at all.

On a folder, usually all dimensions are very tight , there is no space for increasing any dimension.

If you look at the Brompton for instance, it is impossible to even put...
Forum: Folding Bikes
01-18-19, 04:01 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

Coming back to the tire problem, it seems that...

Coming back to the tire problem, it seems that the Kenda Kwest is very difficult to find and that there are no other tire in ETRTO 507x40 available (excepted some NOS of the ETRTO 507 Kojak).
...
Forum: Folding Bikes
10-08-18, 12:05 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

If someone trust Helix and want an Helix bike as...

If someone trust Helix and want an Helix bike as soon as possible (whatever "soon" mean...), the best is to wait for the per-order to reopen.

If you look at what happened on other kickstarter...
Forum: Folding Bikes
09-08-18, 03:30 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

Indeed, the Kojak in size ETRTO507 disappeared...

Indeed, the Kojak in size ETRTO507 disappeared from the Schwalbe website. When tihis happened for other tires, they never came back. The only counter example I know is the Kojak 32x349 folding for...
Forum: Folding Bikes
08-15-18, 04:01 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

OK, let see it when/if it become available. ...

OK, let see it when/if it become available.

Is it made for proprietary Helis bags or will it use Brompton bags ?

Is the maximum allowed weight specified ?
Forum: Folding Bikes
08-14-18, 02:40 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

Yes, the small wheel have less momentum and...

Yes, the small wheel have less momentum and accelerate quicker what make small wheeled bile pleasant and fun to ride once you are used tto ride them. If the frame design is good, the bike is stable....
Forum: Folding Bikes
08-13-18, 03:38 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

Having owned and used bikes with several wheel...

Having owned and used bikes with several wheel size, as long as you ride on roads, no off road, I am not convinced of that at all, what makes the difference is tires.

It is the problem of the...
Forum: Folding Bikes
08-12-18, 11:55 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

As you say, the real dynamic of the bike market...

As you say, the real dynamic of the bike market growth is Ebike, not folders or any other type of bike.

There is a big demand and no fully valid offer for a folding Ebike not for a premium folding...
Forum: Folding Bikes
07-28-18, 04:01 AM
Replies: 2,160
Views: 475,428
Posted By Jipe

You can be sure that orders will resume as soon...

You can be sure that orders will resume as soon as Helix production will really start !
Forum: Folding Bikes
07-25-18, 11:31 PM
Replies: 2,160
Views: 475,428
Posted By Jipe

Anyway, those who want to be the first to have an...

Anyway, those who want to be the first to have an Helix (if it is ever produced) should better pre-order than take over a backer position.
Showing results 1 to 50 of 127
 


 
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