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Search: Posts Made By: Jipe
Showing results 1 to 50 of 629
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Forum: Folding Bikes
07-24-21, 03:04 PM
Replies: 53
Views: 19,394
Posted By Jipe

Its because you kept the middle and inner...

Its because you kept the middle and inner chainring of a triple crankset instead of keeping the outer and middle chainring or used a real double or compact crankset.
Forum: Folding Bikes
07-22-21, 07:20 AM
Replies: 6
Views: 138
Posted By Jipe

I guess you saw that Vello is trying to attract...

I guess you saw that Vello is trying to attract investor to raise funds for their company?
Forum: Folding Bikes
07-22-21, 03:55 AM
Replies: 1,568
Views: 457,712
Posted By Jipe

I can buy Ridea and Hubsmith Birdy disc front hub...

I can buy Ridea and Hubsmith Birdy disc front hub separately.

For the rear hub, as said the problem is to have a freewheel body that accepts a smaller cog with less than 11t. Besides Sunrace and...
Forum: Folding Bikes
07-21-21, 11:54 PM
Replies: 1,568
Views: 457,712
Posted By Jipe

It depends of what type of cassette you want to...

It depends of what type of cassette you want to mount.

For a small wheel bike and without a bigger than usual chainring (60 or 65t that anyway isn't compatible with the new Birdy chain tensionner)...
Forum: Folding Bikes
07-21-21, 03:16 AM
Replies: 35
Views: 13,480
Posted By Jipe

I now have been riding with my Birdy titanium...

I now have been riding with my Birdy titanium with ETRTO406/20" wheels since more than 6 months.

My experience is that with very similar wheels (same hubs, same type of spokes, same type of tires,...
Forum: Folding Bikes
07-20-21, 02:27 AM
Replies: 12
Views: 396
Posted By Jipe

With a 50mm wide tire and 135mm rear spacing, the...

With a 50mm wide tire and 135mm rear spacing, the derailleur cage is very close to the side of the tire.

The chance that an object can hit the cage is therefore very small because the object must...
Forum: Folding Bikes
07-19-21, 03:13 PM
Replies: 28
Views: 4,015
Posted By Jipe

Which is understandable: Bike Friday is a small...

Which is understandable: Bike Friday is a small company.

I guess that when SRAM announced that they will stop the Dual Drive and that they won't support customers with spare parts anymore (shame...
Forum: Folding Bikes
07-19-21, 09:53 AM
Replies: 12
Views: 396
Posted By Jipe

The difference between 50mm and 35mm tire is...

The difference between 50mm and 35mm tire is 15mm. The overall diameter of the ETRTO305 with 50mm tire is about 405mm while the one for the ETRO349 with 35mm tire is about 419mm, diameter difference...
Forum: Folding Bikes
07-19-21, 02:45 AM
Replies: 12
Views: 396
Posted By Jipe

There are 14mm difference on the diameter, so...

There are 14mm difference on the diameter, so only 7mm lower to the ground = 18mm ground clearance. It should be OK.

The 34t cassette isn't an option as the Ultegra RD-6800-GS doesn't allow a 34t...
Forum: Folding Bikes
07-18-21, 10:51 AM
Replies: 12
Views: 396
Posted By Jipe

On a 16" ETRTO349 Bompton size wheel with 35mm...

On a 16" ETRTO349 Bompton size wheel with 35mm wide tires (Continental Contact Urban 35x349) I use a Shimano 11s Ultegra RD-6800-GS with a 9-32 cassette that doesn't hit the ground (something like...
Forum: Folding Bikes
07-02-21, 10:50 PM
Replies: 7
Views: 416
Posted By Jipe

Curious to have your feedback about it. There...

Curious to have your feedback about it. There aren't many reviews about riding Helix (position on the bike, comfort, performances...) most feedback are about its design, weight, components,...
Forum: Folding Bikes
07-02-21, 01:04 PM
Replies: 7
Views: 416
Posted By Jipe

Wasn't your Helix supposed to be delivered in...

Wasn't your Helix supposed to be delivered in June?
Forum: Folding Bikes
07-02-21, 12:01 AM
Replies: 7
Views: 416
Posted By Jipe

It depends how the bike folds. If when the...

It depends how the bike folds.

If when the bike is folded the discs are on the outer side or not.

If you look at Helix, the rear disc is between the wheels and protected, the front not.

On...
Forum: Folding Bikes
06-28-21, 02:01 AM
Replies: 16
Views: 1,293
Posted By Jipe

Gearing is definitely important. For wheel...

Gearing is definitely important.

For wheel size, its not wheel size alone, its wheel size+suspension (or not)+tire width.
Forum: Folding Bikes
06-27-21, 03:33 AM
Replies: 16
Views: 1,293
Posted By Jipe

I hate riding with a backpack, especially when...

I hate riding with a backpack, especially when the weather is warm !

All my folding bikes have something to carry luggage's on the bike, either a Brompton front block (I adapted a Brompton front...
Forum: Folding Bikes
06-23-21, 11:53 PM
Replies: 2,624
Views: 780,926
Posted By Jipe

Actually, the Tubolito aren't bad. They have...

Actually, the Tubolito aren't bad. They have advantages: much smaller to carry them, much less weight.

But some claims aren't true: they aren't puncture proof as claimed.

And there were...
Forum: Folding Bikes
06-23-21, 03:01 PM
Replies: 2,624
Views: 780,926
Posted By Jipe

The round hole for the valve is bigger than this...

The round hole for the valve is bigger than this O-ring, its not the weld that touch the valve hole in the rim.

The material used for the inner tube isn't really elastic like Butyl for the classic...
Forum: Folding Bikes
06-23-21, 03:58 AM
Replies: 2,624
Views: 780,926
Posted By Jipe

Slow leaks occurred at the place where the valve...

Slow leaks occurred at the place where the valve is sealed on the tube itself.

The way it is done is that there is a big round hole in the inner tube and the valve has a round piece of the same...
Forum: Folding Bikes
06-22-21, 03:42 PM
Replies: 1,137
Views: 322,581
Posted By Jipe

https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/blackvo2_c6fa3cdb5909475b44081888867d5fbd92b5ef29.jpg
Forum: Folding Bikes
06-22-21, 02:27 AM
Replies: 2,624
Views: 780,926
Posted By Jipe

Thanks for the information. But this doesn't...

Thanks for the information.

But this doesn't solve the problem of finding the puncture if its a small one that generate a slow leak.

Also, as you can read in my post, at lest two of my four...
Forum: Folding Bikes
06-20-21, 01:15 PM
Replies: 1,568
Views: 457,712
Posted By Jipe

I have Birdy front wheels laced with this...

I have Birdy front wheels laced with this Hubsmith front hub for Birdy disc (https://www.ginkgo-veloteile.de/ginkgoshop/en/Wheel-Accessories/Hubs/front-Hubs/Hubsmith-HS-RS27F-FH-Hub-disc-Birdy.html)...
Forum: Folding Bikes
06-19-21, 10:47 PM
Replies: 8
Views: 845
Posted By Jipe

I have a S bar Brompton and I am also about 1m79....

I have a S bar Brompton and I am also about 1m79. The S bar fits perfectly.

But you should also look at the saddle position.

The Brompton pentaclip on which the saddle is mounted allow for two...
Forum: Folding Bikes
06-11-21, 02:06 PM
Replies: 2,624
Views: 780,926
Posted By Jipe

I do not know for the Helix Tubolito but I bought...

I do not know for the Helix Tubolito but I bought two ETRTO406 Tubolito's for my Moulton.

These two were one after the other replaced for free by Tubolito due to leaks around the valve.

One of...
Forum: Folding Bikes
06-11-21, 02:55 AM
Replies: 2,624
Views: 780,926
Posted By Jipe

This Donnelly MXP tire 32x507 is really a low...

This Donnelly MXP tire 32x507 is really a low pressure tire, only 1.7-3.1bar for a 32mm wide tire is very low especially for a tire which isn't tubeless.
Forum: Folding Bikes
06-10-21, 02:58 AM
Replies: 47
Views: 3,510
Posted By Jipe

Yes, that's the Expedition rear rack. FYI.,...

Yes, that's the Expedition rear rack.

FYI., if you want to put rear pannier and place them very much at the rear to avoid to touch them with your heels when pedaling, you need to swap the original...
Forum: Folding Bikes
06-09-21, 02:45 PM
Replies: 47
Views: 3,510
Posted By Jipe

Congratulation ! If you didn't yet, I advise...

Congratulation !

If you didn't yet, I advise to add the folding expedition rear rack.

Its very nice both to carry rear pannier and to park the bike with the rear wheel folded like done with the...
Forum: Folding Bikes
05-31-21, 04:05 AM
Replies: 1,568
Views: 457,712
Posted By Jipe

They choose an high end race road crankset (which...

They choose an high end race road crankset (which is almost the only high end component on this expensive high end bike) with the chainline of a race road bike but indeed they should have adapted the...
Forum: Folding Bikes
05-31-21, 03:09 AM
Replies: 1,568
Views: 457,712
Posted By Jipe

I think there is a misunderstanding about the...

I think there is a misunderstanding about the type of Birdy.

JRat had a Riese & Müller Birdy City, not a Pacific Cycles Birdy 9SP STD.

The Birdy City from Riese & Müller has a Shimano Nexus IGH...
Forum: Folding Bikes
05-27-21, 02:42 PM
Replies: 8
Views: 867
Posted By Jipe

Did you ride with this setup with a loaded bag? ...

Did you ride with this setup with a loaded bag?

My experience is that the bag fastening on the bag frame must be totally rigid without any play otherwise when the bag is heavy, it generates...
Forum: Folding Bikes
05-26-21, 09:53 AM
Replies: 69
Views: 25,872
Posted By Jipe

Vello is making another type folding rear rack...

Vello is making another type folding rear rack for the Vellobike that doesn't fold automatically but folds very fast and accept rear pannier....
Forum: Folding Bikes
05-26-21, 02:39 AM
Replies: 69
Views: 25,872
Posted By Jipe

It is placed exactly as the folding rear rack of...

It is placed exactly as the folding rear rack of the Birdy = high so that it allows classic rear pannier, but doesn't fold automatically like the rack of the Birdy....
Forum: Folding Bikes
05-25-21, 01:20 PM
Replies: 69
Views: 25,872
Posted By Jipe

Yes, common with several small wheel bikes. ...

Yes, common with several small wheel bikes.

But not all.

The folding rear rack of the Birdy allow to use big rear pannier without hitting them with the heels.

The same should be possible...
Forum: Folding Bikes
05-24-21, 04:03 PM
Replies: 1,568
Views: 457,712
Posted By Jipe

Yes, most spiders are made for two chainrings but...

Yes, most spiders are made for two chainrings but the Birdy is supposed to be a single chainring bike. On the Brompton, also single chainring, the spider is made to accept only one chainring.
...
Forum: Folding Bikes
05-22-21, 03:07 PM
Replies: 28
Views: 2,420
Posted By Jipe

I am afraid that it won't be possible to use a...

I am afraid that it won't be possible to use a front bag with a drop bar,it will hit the bag !
Forum: Folding Bikes
05-20-21, 03:37 PM
Replies: 47
Views: 3,510
Posted By Jipe

Its the same for all small wheel sizes ! ...

Its the same for all small wheel sizes !

Finding a ETRTO406 tire in stock in a bike shop is also pretty difficult.

The only solution when traveling with unusual tire sizes is to carry spare...
Forum: Folding Bikes
05-20-21, 05:28 AM
Replies: 47
Views: 3,510
Posted By Jipe

Few have Birdy for test ride. But all can...

Few have Birdy for test ride.

But all can order it and sell it and all can maintain it and order spare parts if needed from Riese & Muller.

Spare is more a problem for the Tyrell Ive for which...
Forum: Folding Bikes
05-19-21, 03:31 PM
Replies: 47
Views: 3,510
Posted By Jipe

I count 22 Riese & Müller dealers in great Paris...

I count 22 Riese & Müller dealers in great Paris (75, 78, 92, 94).

Anyway, I own several bikes of brands with few dealers (Moulton, Hase, Passoni) It has never been a problem since as the Birdy,...
Forum: Folding Bikes
05-19-21, 06:14 AM
Replies: 47
Views: 3,510
Posted By Jipe

Indeed, ETRTO355 is a little bit more unusual...

Indeed, ETRTO355 is a little bit more unusual than ETRTO349 but only because there are many Brompton dealers because both are difficult to find. Note that the Tyrell Ive also use ETRTO355 wheels.
...
Forum: Folding Bikes
05-19-21, 05:06 AM
Replies: 47
Views: 3,510
Posted By Jipe

It will be very difficult to test the Tyrell Ive...

It will be very difficult to test the Tyrell Ive as Boxbike is the only one I know selling it in Europe. The Tyrell Ive accept wide tires like the Big Apple 50x355 and the Black Jack MTB tire...
Forum: Folding Bikes
05-19-21, 02:41 AM
Replies: 47
Views: 3,510
Posted By Jipe

Brompton, Tyrell Ive and Birdy all roll on small...

Brompton, Tyrell Ive and Birdy all roll on small easy wheels when folded and all fit folded into a supermarket caddy.

The Tyrell Ive Sport is a nice folding bike, very well manufactured but as far...
Forum: Folding Bikes
05-18-21, 03:39 PM
Replies: 47
Views: 3,510
Posted By Jipe

Yes, the Birdy is bigger folded than the...

Yes, the Birdy is bigger folded than the Brompton.

But since its third generation Birdy 3 only marginally bigger (the Birdy 2 that loks very similar to the current Birdy 3 was bigger when folded)....
Forum: Folding Bikes
05-18-21, 03:11 AM
Replies: 47
Views: 3,510
Posted By Jipe

The ride on good average roads is indeed OK, so...

The ride on good average roads is indeed OK, so really feasible even for long distances but its not as fast as a Birdy.

If you want to use your bike for several days bike travel, I definitely...
Forum: Folding Bikes
05-18-21, 03:05 AM
Replies: 9
Views: 1,015
Posted By Jipe

I am not sure about the benefit of a 20"/ETRTO406...

I am not sure about the benefit of a 20"/ETRTO406 Brompton vs. its original ETRTO349 wheels.

If it is to only being able to use relatively narrow tires 28mm or 32mm max) it won't improve the...
Forum: Folding Bikes
05-18-21, 02:55 AM
Replies: 47
Views: 3,510
Posted By Jipe

I have several small wheels bike (and also large...

I have several small wheels bike (and also large wheel ones).

The Brompton is Ok on good to average roads.

But on very bad roads, cobbles or off road, its really uncomfortable and you must slow...
Forum: Folding Bikes
05-17-21, 04:06 PM
Replies: 47
Views: 3,510
Posted By Jipe

In your list, there are two very different kind...

In your list, there are two very different kind of folding bikes.

First, small folded, fully folding bikes, the Birdy and Brompton

Second, much bigger folded, not fully folding bikes because he...
Forum: Folding Bikes
05-17-21, 03:35 AM
Replies: 2,624
Views: 780,926
Posted By Jipe

So, excepted if somebody accepts to dismount its...

So, excepted if somebody accepts to dismount its original ETRTO507 front wheel to reuse the hub, does Helix sell spare front hub ?
Forum: Folding Bikes
05-16-21, 10:24 AM
Replies: 1,568
Views: 457,712
Posted By Jipe

I measure also about 51mm on the Birdy Touring...

I measure also about 51mm on the Birdy Touring 10s pictured above.

This distance is to the middle of the chain place on the single chainring (which is not a correct measurement for a double...
Forum: Folding Bikes
05-14-21, 12:52 PM
Replies: 75
Views: 7,818
Posted By Jipe

It was this shop: https://fietsenniclaes.be/ its...

It was this shop: https://fietsenniclaes.be/ its not on their website but the website doesn't show all what they sell, only part of what they have currently in stock, don't know if they till sell it ?
Forum: Folding Bikes
05-14-21, 10:40 AM
Replies: 75
Views: 7,818
Posted By Jipe

I know bike shops in Belgium selling the Ori M10....

I know bike shops in Belgium selling the Ori M10.

I had the opportunity to test it.

Its not a bad bike but it has major drawback:
- Its a bike made for Asiatic people, not for...
Forum: Folding Bikes
05-13-21, 10:10 AM
Replies: 2,624
Views: 780,926
Posted By Jipe

The front fork of Helix is a proprietary lefty...

The front fork of Helix is a proprietary lefty single arm folding fork, as far as I know, it uses a proprietary front hub.

I do not think that a Cannondale Lefty front hub will be usable on Helix ?
Showing results 1 to 50 of 629
 


 
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