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Forum: Folding Bikes
07-06-22, 03:21 PM
Replies: 1,906
Views: 567,492
Posted By Jipe

On Birdy without low rider, there is a bolt that...

On Birdy without low rider, there is a bolt that close the threaded hole.

https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulletin/756x1008/lowrideholes_a9c7298cb7682e15a779f3d6dc58f47f03c16c04.jpg
Forum: Folding Bikes
07-05-22, 02:57 PM
Replies: 1,906
Views: 567,492
Posted By Jipe

The spacing of the cogs of the Sunrace cassettes...

The spacing of the cogs of the Sunrace cassettes are very good:
- Sunrace Cassette CSSSO 10s 9-32t: 9-10-11-13-15-18-21-24-28-32.
- Sunrace Cassette CSSXO 11s 9-36t: 9-10-11-13-15-18-21-24-28-32-36...
Forum: Folding Bikes
07-05-22, 02:56 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

I have my pump inside of the stem of both Birdy,...

I have my pump inside of the stem of both Birdy, its a Lezyne Carbon Road Drive medium.
Forum: Folding Bikes
07-04-22, 03:27 PM
Replies: 1,906
Views: 567,492
Posted By Jipe

The shape of the slot in the plastic grip allow...

The shape of the slot in the plastic grip allow the straps to come out without cutting them.

For the easy wheels, as said, my Birdy had no factory mounted rack.

I first installed the H&H...
Forum: Folding Bikes
07-04-22, 02:40 PM
Replies: 1,906
Views: 567,492
Posted By Jipe

My Birdy had also the Minoura kickstand that I...

My Birdy had also the Minoura kickstand that I dismounted, I do not use a kickstand.

I also permanently removed the rubber bungy cords of the R&M rack I have now. I never had the original easy...
Forum: Folding Bikes
07-04-22, 01:36 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

It is definitely M6. Therefore that you can...

It is definitely M6. Therefore that you can mount easy wheels made for the Brompton.

These factory installed easy wheels prevent to mount rear pannier far enough to the rear to avoid to hit them...
Forum: Folding Bikes
07-02-22, 03:23 AM
Replies: 14
Views: 380
Posted By Jipe

The different Brompton stems have different...

The different Brompton stems have different height but also different angle. A S stem give more space for the rider (it has a bigger reach, the former P had an even bigger reach).
Forum: Folding Bikes
07-01-22, 03:20 AM
Replies: 14
Views: 380
Posted By Jipe

The "squirrelly" behavior of the Brompton (which...

The "squirrelly" behavior of the Brompton (which isn't a problem after a short time of getting used to) is not due to the wheel size, its due to the Brompton frame design. Modified Brompton with 20"...
Forum: Folding Bikes
07-01-22, 03:12 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

You can easily build a Rohloff wheel or have it...

You can easily build a Rohloff wheel or have it built by several online shops in Germany.

But to mount a Rohloff on a Birdy as done on a factory built Birdy Rohloff, R&M and Pacific Cycles use...
Forum: Folding Bikes
06-30-22, 01:48 PM
Replies: 1,906
Views: 567,492
Posted By Jipe

Yes, and you have to wait for months for the...

Yes, and you have to wait for months for the delivery while with Amazon they are delivered the next day !

You must also be careful because there are several models very similar but not identical.
Forum: Folding Bikes
06-30-22, 04:57 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

Indeed, the rear pannier hook induce some wear on...

Indeed, the rear pannier hook induce some wear on the rear mudguard stays but they are very strong, so its purely cosmetics (a part is now naked aluminum instead of black and polished).

Yes, the...
Forum: Folding Bikes
06-30-22, 03:19 AM
Replies: 5
Views: 266
Posted By Jipe

The Brompton is a very user friendly bike, the...

The Brompton is a very user friendly bike, the folded bike is not only the smallest but has also a very good shape that make it easy to carry folded much easier than Dahon middle frame folding bikes....
Forum: Folding Bikes
06-30-22, 03:02 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

Yes, the rear fender stay is very thick. There...

Yes, the rear fender stay is very thick. There are two reasons for that.

First as Glye says, because the folded bike rest on it.

But the stay is also used to hold the bottom of the rear pannier...
Forum: Folding Bikes
06-29-22, 04:26 PM
Replies: 5
Views: 266
Posted By Jipe

You should avoid to use wheel dimensions in...

You should avoid to use wheel dimensions in inches because they are misleading.

For 16" for instance, the Brompton 16" is ETRTO349 not ETRTO305 (both are called 16") so the Brompton wheel is only...
Forum: Folding Bikes
06-29-22, 03:31 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

The ATS Sclumpf speed drive for the Brompton...

The ATS Sclumpf speed drive for the Brompton doesn't require a chamfer (https://www.bikegang.co.uk/bikeganghut/Brompton-New-Non-Chamfer-BB-Shell-Speed-drive-Gearing-System-ATS-p51233512) of the...
Forum: Folding Bikes
06-29-22, 02:58 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

No, its the opposite, the Schlumpf exists since...

No, its the opposite, the Schlumpf exists since much longer than Efneo and is sold by many bicycle shops.

Now, personally, I wouldn't use any of both on the Birdy, the 9-32 or 9-34 cassette...
Forum: Folding Bikes
06-29-22, 12:37 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

For the internal gear bottom bracket, the...

For the internal gear bottom bracket, the Schlumpf is the most common and it has proven to be reliable.

It still exists, it is now commercialized by Haberstock.

It has been mounted on many...
Forum: Folding Bikes
06-28-22, 03:12 PM
Replies: 1,906
Views: 567,492
Posted By Jipe

I have the H&H Brompton front block adapter...

I have the H&H Brompton front block adapter (https://bikegang.ecwid.com/Brompton-Bag-Front-Carrier-Block-Lug-Adapter-for-BIRDY-H&H-p253788591) it works fine, there is no problem of unlatching (the...
Forum: Folding Bikes
06-27-22, 02:57 PM
Replies: 18
Views: 464
Posted By Jipe

The Brompton caliper need to have a reach of...

The Brompton caliper need to have a reach of about 60mm front and 55mm rear with ETRTO349 rims.

With ETRTO305 rims, 44mm smaller in diameter, the caliper need to have 22m more reach, we can expect...
Forum: Folding Bikes
06-27-22, 03:03 AM
Replies: 18
Views: 464
Posted By Jipe

Its not possible to put ETRTO305 wheels on the...

Its not possible to put ETRTO305 wheels on the Brompton with caliper rim brakes: it would require very long caliper arms to reach the smaller diameter rims.

Kinetics makes Brompton with ETRTO305...
Forum: Folding Bikes
06-26-22, 02:18 PM
Replies: 16
Views: 475
Posted By Jipe

Looking at the specs of this Vellobike gravel, it...

Looking at the specs of this Vellobike gravel, it seems to me that the only differences with other models are the Schwalbe Billy Bonkers tires which are in fact BMX tires and the gravel drobar ?
...
Forum: Folding Bikes
06-26-22, 01:47 PM
Replies: 18
Views: 464
Posted By Jipe

Yes, its a drawback of the Brompton design with...

Yes, its a drawback of the Brompton design with the rear wheel folding under de main tube: any wheel diameter increase, increases the folded length and height of the bike which is not the case for...
Forum: Folding Bikes
06-26-22, 05:20 AM
Replies: 18
Views: 464
Posted By Jipe

The Big Apple aren't heavy compared to comparable...

The Big Apple aren't heavy compared to comparable touring tires, the 50x406 Big Apple weight 495g, the 40x406 Schwalbe Marathon weight 530g (the Marathon 47x406 weight 640g and the Marathon Plus...
Forum: Folding Bikes
06-26-22, 03:36 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

As said, I have a also Pacific Cycles Titanium...

As said, I have a also Pacific Cycles Titanium Birdy that was delivered with a 11-28 11s cassette and 52-36 compact chainrings and it was too short. I modified it with a Hope RS4 XDR hub and...
Forum: Folding Bikes
06-25-22, 03:42 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

Its true for the pure cassette Birdy. But...

Its true for the pure cassette Birdy.

But the Pacific Cycles Touring uses a 3s Sturmey Archer hub with a cassette, this hub increase the longest gear inch.

And the Birdy Rohloff has also a...
Forum: Folding Bikes
06-24-22, 03:29 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

Imperium Cycles is probably using a hub from...

Imperium Cycles is probably using a hub from another brand to build their wheels, is there a brand on the hub itself ?

Often, the freewheel body is removable and exists in several standards, its...
Forum: Folding Bikes
06-24-22, 03:25 AM
Replies: 9
Views: 648
Posted By Jipe

Powerslide is a brand making inline skates, they...

Powerslide is a brand making inline skates, they are still in business for inline skates.

If you use a carbon boot (from Seba or FR skates for instance), its lightweight on gives efficient control.
Forum: Folding Bikes
06-23-22, 02:53 PM
Replies: 9
Views: 648
Posted By Jipe

Interesting setup ! May I ask you why you...

Interesting setup !

May I ask you why you don't use inline skate boots on those (there were some Roces off road inline skates made like that)
...
Forum: Folding Bikes
06-23-22, 02:24 PM
Replies: 1,906
Views: 567,492
Posted By Jipe

In theory, its not possible to use a Shimano 12s...

In theory, its not possible to use a Shimano 12s cassette because the cog spacing isn't the same. It only work because the difference is very small.

For increasing the chainring size, the...
Forum: Folding Bikes
06-22-22, 02:33 PM
Replies: 1,906
Views: 567,492
Posted By Jipe

Yes, front and rear wheels have 32 spokes. ...

Yes, front and rear wheels have 32 spokes.

The shifting with the Sunrace cassette is really excellent, it cannot be better with the Shimano cassette.

As said, for me 52x11 is too short, its...
Forum: Folding Bikes
06-22-22, 04:10 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

I had the Busch & Müller Toplight View mounted on...

I had the Busch & Müller Toplight View mounted on my Brompton and had repetitive reliability issues with it: after riding about on tear with it, no standlight anymore (light goes immediately OFF when...
Forum: Folding Bikes
06-21-22, 04:37 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

No, it won't work. The rear light output of...

No, it won't work.

The rear light output of all front dynamo light excepted Supernova is AC voltage as coming from the dynamo hub while the rear light output of the Supernova front light and input...
Forum: Folding Bikes
06-21-22, 03:17 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

HG is only Shimano 12s and as far as I know...

HG is only Shimano 12s and as far as I know doesn't accept a cog smaller than 11t, so useless for small wheel bikes.

Currently, 12s is a mess, each manufacturer has its own "standard" incompatible...
Forum: Folding Bikes
06-20-22, 01:53 PM
Replies: 1,906
Views: 567,492
Posted By Jipe

Yes, its an excellent deal, the official R&M...

Yes, its an excellent deal, the official R&M price is now 2849€ and its without rear rack.

Indeed, Shimano has also a new freewheel body that accepts 10t smallest cog, the microspline. But its...
Forum: Folding Bikes
06-20-22, 05:11 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

No, no Shimano XDR hub since XD/XDR was invented...

No, no Shimano XDR hub since XD/XDR was invented by SRAM.

The Alfine 11 hub was improved by Shimano a couple of years ago to make it stronger and compatible with Shimano Steps and other pedal...
Forum: Folding Bikes
06-20-22, 03:33 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

Yes, it must be 135mm 32 holes and 5mm quick...

Yes, it must be 135mm 32 holes and 5mm quick release. The Hope RS4 centerlock is also a solution, it also exists in 135mm QR4.

The problem is that current new bikes do not use very often 135mm...
Forum: Folding Bikes
06-19-22, 02:11 PM
Replies: 1,906
Views: 567,492
Posted By Jipe

For the Birdy you need the version 135mm wide...

For the Birdy you need the version 135mm wide quick release 5mm 32H QR5 XD/XDR 3T black / 119455 (https://www.starbike.com/en/tune-climbhill-rear-hub-centerlock-endurance/)

For the derailleur, ...
Forum: Folding Bikes
06-19-22, 05:12 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

No, that's not possible ! I have: - XDR...

No, that's not possible !

I have:
- XDR body hub (Tune Climbhill CL32 with XDR freewheel, on the Ti Birdy, its a Hope RS4).
- Shimano SL-RS700 11s shifter.
- Shimano RD-R8000SGS.
- E thirtheen...
Forum: Folding Bikes
06-19-22, 03:51 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

The cage of the derailleur is not the closest to...

The cage of the derailleur is not the closest to the ground on the biggest cog nor on the smallest, it is closest to the ground when the cage is vertical what happen somewhere in the middle of the...
Forum: Folding Bikes
06-19-22, 03:26 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

The Shimano Ultegra RD-R8000 I use is the SGS...

The Shimano Ultegra RD-R8000 I use is the SGS with a medium cage, its position to the ground is I think similar to the one of the SRAM Etap AXS. For those, there are two types, the older one that was...
Forum: Folding Bikes
06-18-22, 02:04 PM
Replies: 1,906
Views: 567,492
Posted By Jipe

I have also two Moulton with the leading link...

I have also two Moulton with the leading link front suspension.

If I had to rate the suspensions of the Birdy vs. the one of the Moulton, I would say that the rear cone suspension with the bottom...
Forum: Folding Bikes
06-18-22, 06:13 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

Yes, the Birdy lock up in one piece when folded. ...

Yes, the Birdy lock up in one piece when folded. The way the front wheel folds is totally different of the Brompton, so people used to fold the Brompton need to learn how to quickly fold the front...
Forum: Folding Bikes
06-18-22, 03:54 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

Te folded size of the Brompton and Birdy and...

Te folded size of the Brompton and Birdy and several other folding bikes depend of the mounting of the saddle.

The size given by Brompton is very optimistic, its with the saddle mounted on a...
Forum: Folding Bikes
06-17-22, 07:40 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

Yes, big Apple are compatible with the original...

Yes, big Apple are compatible with the original Birdy fenders, the Birdy Rohloff is factory equipped with Big Apple. For the Birdy Touring, you have to remove two plastic washers mounted between the...
Forum: Folding Bikes
06-17-22, 03:12 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

I have put my Brompton and Ti Birdy side by side...

I have put my Brompton and Ti Birdy side by side and the difference is small Its much smaller than the topical center folded 20" Dahon.

For airline transportation, anyway, a folded Brompton is too...
Forum: Folding Bikes
06-17-22, 12:18 AM
Replies: 1,906
Views: 567,492
Posted By Jipe

With the way the Birdy folds, removable pedals...

With the way the Birdy folds, removable pedals aren't needed on the Birdy.

My experience with the Big Apple is excellent, As you when seeing the puncture protection rating of the Big Apple, I was...
Forum: Folding Bikes
06-16-22, 03:14 PM
Replies: 1,906
Views: 567,492
Posted By Jipe

First my Brompton that was a S type superlight 6...

First my Brompton that was a S type superlight 6 speed is highly upgraded, most components have been upgraded including the transmission which is now a 14s Rohloff hub.

For the Birdy, I ave two...
Forum: Folding Bikes
06-15-22, 10:27 PM
Replies: 1,906
Views: 567,492
Posted By Jipe

I am in the same situation as you, a SON XS new...

I am in the same situation as you, a SON XS new on my Brompton and a Shutter Precision on my Birdy.

The two dynamo hubs are very similar, no noticeable difference when riding, the hub resistance...
Forum: Folding Bikes
06-14-22, 02:43 AM
Replies: 33
Views: 1,122
Posted By Jipe

The Birdy roll well folded with its foldable rear...

The Birdy roll well folded with its foldable rear rack.

All Birdy can do off-road.
Forum: Folding Bikes
06-13-22, 01:15 AM
Replies: 33
Views: 1,122
Posted By Jipe

It was clear that budget isn't a major issue: ...

It was clear that budget isn't a major issue:


The Brompton has the advantage that it is very easy to sell it and for a high price if cycling appear to be impossible.

When I see the price of...
Showing results 1 to 50 of 920
 


 
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