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Search: Posts Made By: Winfried
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Forum: Folding Bikes
04-25-22, 03:30 AM
Replies: 11
Views: 507
Posted By Winfried

From Tern, there's also the Trolley Rack...

From Tern, there's also the Trolley Rack (https://www.ternbicycles.com/gear/471/trolley-rack).
...
Forum: Folding Bikes
04-24-22, 02:12 AM
Replies: 3
Views: 316
Posted By Winfried

As SRAM (which bought Sachs in 1997) stopped...

As SRAM (which bought Sachs in 1997) stopped manufacturing gear hubs in 2017…it won't be easy finding cogs for that hub:

"Sachs/SRAM IGH parts are no longer made. You can still find spares online,...
Forum: Folding Bikes
04-05-22, 06:50 AM
Replies: 8
Views: 493
Posted By Winfried

Here's the conversation : ...

Here's the conversation :

https://www.bikeforums.net/folding-bikes/1184394-nokon-elite-bamboo-cable-housing-folders.html
Forum: Folding Bikes
04-05-22, 04:37 AM
Replies: 8
Views: 493
Posted By Winfried

Out of curiosity, what advantage does this kind...

Out of curiosity, what advantage does this kind of housing offer compared to the usual stuff?
...
Forum: Folding Bikes
03-23-22, 04:58 AM
Replies: 15
Views: 715
Posted By Winfried

Thanks much. So I rode back all the way to...

Thanks much.

So I rode back all the way to the bike shop accross town. Turns out there was significant play between the nut and locknut.

Lesson learned: After replacing the bearings, even when...
Forum: Folding Bikes
03-20-22, 01:14 PM
Replies: 15
Views: 715
Posted By Winfried

I pull the front brake tight, and push the bike...

I pull the front brake tight, and push the bike forward. I can feel some play with my hands on the handlebar, or touching the nut + locknut while pushing the bike.
Forum: Folding Bikes
03-20-22, 12:55 PM
Replies: 15
Views: 715
Posted By Winfried

Yes, a skinny spanner, and a regular...

Yes, a skinny spanner, and a regular adjustable/crecent wrench.

No Brompton user in the audience who could confirm that small play should not be there on a well adjusted bike?
Forum: Folding Bikes
03-20-22, 12:39 PM
Replies: 15
Views: 715
Posted By Winfried

The part in the lower right hand-side does have a...

The part in the lower right hand-side does have a tab, but I have no reason to try anything more than checking how tight the nut is since the whole thing is supposed to have been replaced a couple of...
Forum: Folding Bikes
03-20-22, 11:58 AM
Replies: 15
Views: 715
Posted By Winfried

Ok, I'll get a 36mm cone spanner. Thanks.

Ok, I'll get a 36mm cone spanner. Thanks.
Forum: Folding Bikes
03-20-22, 10:18 AM
Replies: 15
Views: 715
Posted By Winfried

[SOLVED] [Brompton] Small play between nut and locknut in headset

Hello,

I don't have another Brompton to use as a reference.

A couple of weeks ago, I had a Brompton-endorsed LBS replace the headset on the Brompton I bought years ago: The mechanic found the...
Forum: Folding Bikes
03-10-22, 01:16 PM
Replies: 64
Views: 15,962
Posted By Winfried

Apparently, it's gone but was available at some...

Apparently, it's gone but was available at some point

https://www.bikegang.co.uk/bikeganghut/Brompton-Non-Chamfer-BB-Schlumpf-Mountain-Drive-Gearing-System-German-Made-HM-p86744203
...
Forum: Folding Bikes
03-09-22, 05:53 AM
Replies: 64
Views: 15,962
Posted By Winfried

But do you really need an 818% range? Wouldn't a...

But do you really need an 818% range? Wouldn't a double chainring be good enough, wthout that issue with the tensioner?

A six-speeder + 50/34 chairing = 443%

And a Nexus 8 + 50/34 + 16T cog + =...
Forum: Folding Bikes
03-08-22, 01:39 AM
Replies: 37
Views: 2,035
Posted By Winfried

Any link?

Any link?
Forum: Folding Bikes
03-07-22, 07:25 AM
Replies: 37
Views: 2,035
Posted By Winfried

Even leaving the left-side dust cover untouched...

Even leaving the left-side dust cover untouched on the Nexus, ie. it's still 132,5mm wide, there's enough clearance for the tire and it doesn't rub againt the frame.

I only had to raise the fender...
Forum: Folding Bikes
03-07-22, 05:44 AM
Replies: 37
Views: 2,035
Posted By Winfried

I've been riding it fine for over 2,000 km. Looks...

I've been riding it fine for over 2,000 km. Looks like quick and dirty, at least done by a professional, does the job.

Since it's a spare triangle, you have nothing to lose.

Just using a skewer...
Forum: Folding Bikes
03-05-22, 05:48 AM
Replies: 37
Views: 2,035
Posted By Winfried

I didn't have the guts to do it myself, so paid a...

I didn't have the guts to do it myself, so paid a frame maker to do it for me. It took him 20mn and I was charged the grand sum of €30. It's no big job for a pro.

Hold the bike around the bottom...
02-16-22, 05:31 AM
Replies: 11
Views: 624
Posted By Winfried

With a mid-drive, an eccentric bottom bracket...

With a mid-drive, an eccentric bottom bracket (https://wheelsmfg.com/bottom-brackets/ebb.html) won't do.

A bolt on each side is a simpler alternative to a "chain" tensioner...
02-14-22, 11:17 AM
Replies: 27
Views: 7,796
Posted By Winfried

There was no 75W90/140 gear oil in the shop, but...

There was no 75W90/140 gear oil in the shop, but there was ATF… which I used to give the SG-8R31 a bath.

And… it makes zero difference: In either speed 4/5, after giving one revolution of the...
Forum: Folding Bikes
02-14-22, 06:01 AM
Replies: 1
Views: 332
Posted By Winfried

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

https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulletin/650x462/cabdf809_f132_4a3e_b55b_1c48b398255b_ca16b7d448482b3cdb797d82fd8dd806031ad425.png
https://usa.dahon.com/products/launch-d8
02-12-22, 01:18 PM
Replies: 27
Views: 7,796
Posted By Winfried

I'll get a liter of 75W90 gear oil. I wonder...

I'll get a liter of 75W90 gear oil.

I wonder if the fact that the wheel stops spinning after just 5-6 seconds after one revolution of the crank by hand vs. ~15s on my big bike isn't simply/also...
02-12-22, 06:42 AM
Replies: 27
Views: 7,796
Posted By Winfried

Hello, I'd like to dip this SG-8R31 Nexus 8...

Hello,

I'd like to dip this SG-8R31 Nexus 8 into gear oil to see if it makes it less draggy, but am stuck removing the core (https://www.sheldonbrown.com/nexus8/pages/13.htm) from the hub: It...
Forum: Folding Bikes
02-09-22, 02:13 AM
Replies: 64
Views: 15,962
Posted By Winfried

Looks a bit messy ...

Looks a bit messy

https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulletin/800x603/bernds_64c75727ed84d77eb067f243b2f50f5b1db4542a.png
02-07-22, 04:41 AM
Replies: 20
Views: 525
Posted By Winfried

Thanks for the tip. I'll grease up the cog-side. ...

Thanks for the tip. I'll grease up the cog-side.

Someone else tried the electrical tape:...
02-06-22, 06:37 AM
Replies: 20
Views: 525
Posted By Winfried

From what I read, recent models of the Nexus 8...

From what I read, recent models of the Nexus 8 don't leak much provided you don't use more than ~15ml of oil. The Alfine 11 uses 25ml...
02-05-22, 03:10 PM
Replies: 20
Views: 525
Posted By Winfried

Thanks mucho for the infos. While I'm at it,...

Thanks mucho for the infos.

While I'm at it, I'm thinking of drilling an oil port (https://www.avdweb.nl/Article_files/Solarbike/Miscellaneous/Shimano-Nexus/Shimano-Nexus-7-lubrication1.JPG) on...
02-05-22, 09:26 AM
Replies: 20
Views: 525
Posted By Winfried

What gear oil do you use? So there's no...

What gear oil do you use?

So there's no significant difference between the Nexus/Alfine hubs in terms of efficiency, and the use of plain/needle bearings and pawls/roller clutches is just...
02-04-22, 09:04 AM
Replies: 20
Views: 525
Posted By Winfried

Happened on this page: "Why does the Shimano...

Happened on this page:

"Why does the Shimano Nexus-7 has such a great friction?" (https://www.avdweb.nl/solar-bike/misc/shimano-nexus-7-large-friction-explained)
02-04-22, 08:03 AM
Replies: 20
Views: 525
Posted By Winfried

Apparently, the amounf ot noise made by pawls can...

Apparently, the amounf ot noise made by pawls can be lowered depending on the material used as well as the number of pawls involved, among other parameters.

I do like how silent Alfine/Nexus hubs...
02-04-22, 07:35 AM
Replies: 20
Views: 525
Posted By Winfried

Thanks for the feedback.

Thanks for the feedback.
02-04-22, 04:36 AM
Replies: 20
Views: 525
Posted By Winfried

I agree, although in this article...

I agree, although in this article (http://cyclea2b.blogspot.com/2011/04/shimano-nexus-8-review-regrease.html), the user complained of malfunction after applying too much grease (just on the rollers?...
02-02-22, 04:09 PM
Replies: 20
Views: 525
Posted By Winfried

[Nexus gear hub] Ratchet+pawls vs. roller clutch?

Hello,

The page on Nexus 8 gear hubs on Sheldon Browns's site (https://www.sheldonbrown.com/nexus8.shtml) says that low/high-end hubs differ on two points:

Ratchet+pawls vs. roller clutch
...
Forum: Folding Bikes
01-21-22, 09:37 AM
Replies: 37
Views: 3,175
Posted By Winfried

So why does Brompton stick to hi-ten instead of...

So why does Brompton stick to hi-ten instead of moving to 4130 cro-mo?

Margins?
Forum: Folding Bikes
01-21-22, 08:12 AM
Replies: 37
Views: 3,175
Posted By Winfried

Out of curiosity, could Brompton have achieved...

Out of curiosity, could Brompton have achieved the same weight reduction by using top-quality steel instead of hi-ten, and still sell it for ~$€̈4,500?
Forum: Folding Bikes
01-19-22, 04:03 PM
Replies: 37
Views: 3,175
Posted By Winfried

If you commute and thus need a compact bike...

If you commute and thus need a compact bike that's easy to fold/unfold, there's no contest.

Besides, the Brompton is well designed for what most people use it for: Riding a few kms/miles to/from...
Forum: Folding Bikes
01-19-22, 04:45 AM
Replies: 37
Views: 3,175
Posted By Winfried

https://www.youtube.com/watch?v=7KRSGhjdznQ

https://www.youtube.com/watch?v=7KRSGhjdznQ
01-15-22, 04:18 PM
Replies: 5
Views: 443
Posted By Winfried

What's odd is that RadPowerBikes says that Bafang...

What's odd is that RadPowerBikes says that Bafang motor on the Radwagon has 80Nm torque, while the graph starts at ~45Nm.
01-15-22, 12:57 PM
Replies: 5
Views: 443
Posted By Winfried

Thanks for the infos. ...

Thanks for the infos.

https://cimg7.ibsrv.net/gimg/bikeforums.net-vbulletin/823x649/9f3b3679_8434_4939_92e2_ef31eb41d79e_99b452d23e77d1a5a89bbdfc0c36c237ca5bf708.png...
01-15-22, 04:38 AM
Replies: 5
Views: 443
Posted By Winfried

Question Does torque change when curbing power?

Hello,

The Radwagon 4 appears to be sold in the US with a 750W Bafang G060 rear drive (https://bafang-e.com/en/oem-area/components/component/motor/rm-g060750dc/), and 250W in Europe per local...
Forum: Folding Bikes
01-11-22, 06:21 PM
Replies: 48
Views: 3,437
Posted By Winfried

They are "rollable" fenders. Considering how...

They are "rollable" fenders.

Considering how rainy its native city is (Brussels), I assume they know what they're doing.
...
Forum: Folding Bikes
01-11-22, 09:08 AM
Replies: 48
Views: 3,437
Posted By Winfried

I was told by one of the co-founders that IRL,...

I was told by one of the co-founders that IRL, people don't often need to fold the bike completly, so leaving the front wheel on isn't that big a deal.

https://www.youtube.com/watch?v=sAZmj1iGzSw
Forum: Folding Bikes
12-20-21, 12:32 PM
Replies: 43
Views: 4,425
Posted By Winfried

There's also the option of getting fast tires ...

There's also the option of getting fast tires la Kojak… and stick a Tannus Armour Insert for puncture protection.

https://tannus.co.uk/armour-20-width
12-19-21, 12:19 PM
Replies: 0
Views: 363
Posted By Winfried

Question What's an EggRider?

Hello,

I have an e-bike that actually has a 500W motor curbed to 250W per European regulations. When fully loaded, it's a bit weak in really steep hills.

AFAIU, an EggRider...
Forum: Folding Bikes
12-13-21, 03:36 PM
Replies: 48
Views: 3,437
Posted By Winfried

That won't do. I'm talking about frame-mounted...

That won't do. I'm talking about frame-mounted carrier blocks, like on the Brompton and most Dahons. Doesn't affect steering. Too bad the Curl doesn't have that important feature.



No. I'm...
Forum: Folding Bikes
12-13-21, 11:10 AM
Replies: 48
Views: 3,437
Posted By Winfried

I didn't keep the URL. Appparently, the...

I didn't keep the URL.

Appparently, the legal procedure is still ongoing.

The Curl doesn't cut it:

No carrier block in the front (backpack, yuck)
Not much cheaper than a Brompton;...
Forum: Folding Bikes
12-13-21, 10:30 AM
Replies: 48
Views: 3,437
Posted By Winfried

The question was rather: "Why aren't there legal...

The question was rather: "Why aren't there legal and cheaper Brompton-like folders in the West — where, unlike Asia, just selling a copycat will land you in court and possibly in jail?"

The answer...
Forum: Folding Bikes
12-12-21, 10:18 AM
Replies: 9
Views: 821
Posted By Winfried

How do you like it? Does it wobble with a...

How do you like it?

Does it wobble with a bag filled to the max (8kg)?
Forum: Folding Bikes
12-11-21, 04:40 PM
Replies: 9
Views: 821
Posted By Winfried

Yes, it certainly would, cf. pics ...

Yes, it certainly would, cf. pics
...
Forum: Folding Bikes
12-11-21, 08:54 AM
Replies: 9
Views: 821
Posted By Winfried

Litepro makes two versions: ...

Litepro makes two versions:

https://www.aliexpress.com/item/1005002868524997.html
https://liteprobicycle.com/collections/adapter

Provided both fit the bike, which one would you recommend,...
Forum: Folding Bikes
12-10-21, 06:22 AM
Replies: 9
Views: 821
Posted By Winfried

Thanks. Found more infos: ...

Thanks. Found more infos:

https://cimg8.ibsrv.net/gimg/bikeforums.net-vbulletin/800x800/56527c9c_540b_4f41_813c_d9702be6b4cb_27e60b45c103a0d4383b20e06cb8d13bc73d27a8.jpg...
Forum: Folding Bikes
12-08-21, 06:00 AM
Replies: 9
Views: 821
Posted By Winfried

[LitePro Carrier Block] Height?

Hello,

If someone bought Litepro's "Front Carrier Carrier Block For Brompton Bicycle" (https://www.aliexpress.com/item/1005002868524997.html), I need to know its inner height to make sure it fits...
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