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Forum: Folding Bikes
07-27-21, 05:38 AM
Replies: 68
Views: 19,749
Posted By 2_i

In the upshift, the chain still on the smaller...

In the upshift, the chain still on the smaller ring, but pressed against the larger ring, must grab a pin or tooth tip with the opening in the link, to climb up onto the larger ring. If the opening...
Forum: Folding Bikes
07-27-21, 03:11 AM
Replies: 68
Views: 19,749
Posted By Jipe

The cogs sequence is important because the...

The cogs sequence is important because the grooves of the hyperglide system (or other brands similar system) follow each other on every cog.

If non sequential cogs are used, these grooves do not...
Forum: Folding Bikes
07-26-21, 06:22 AM
Replies: 68
Views: 19,749
Posted By 2_i

For shifting up, I expand the lower lip of the...

For shifting up, I expand the lower lip of the inner cage, by soldering a stainless piece there. In the end, I tailor the cage to the rings and the derailleur mounting. The manufacturers may market a...
Forum: Folding Bikes
07-26-21, 02:40 AM
Replies: 68
Views: 19,749
Posted By Jipe

On modern bike gearing, upshifting with the front...

On modern bike gearing, upshifting with the front derailleur is helped a lot by pins and grooves on the bigger chainring (each brand has its own tricks and commercial name for that).

If your...
Forum: Folding Bikes
06-01-21, 02:39 AM
Replies: 8
Views: 888
Posted By Falconista

Looks like a good solution. Would be interesting...

Looks like a good solution. Would be interesting to hear if it makes any difference to the steering if the bag is vertical rather than horizontal. It would reduce any turning moment on the handle...
Forum: Folding Bikes
05-28-21, 04:55 PM
Replies: 8
Views: 888
Posted By 2_i

I rode again extensively trying to look for the...

I rode again extensively trying to look for the shimmy that Jipe mentioned, but there was none. Maybe the pack has at this moment too much load for that. The width is ~63cm. I'll be riding to work,...
Forum: Folding Bikes
05-20-21, 04:35 AM
Replies: 2
Views: 401
Posted By Schwinnsta

Yes, that is the part I made.

Yes, that is the part I made.
Forum: Folding Bikes
05-14-21, 12:52 PM
Replies: 75
Views: 7,945
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
04-08-21, 07:40 AM
Replies: 61
Views: 11,134
Posted By Fentuz

I did not say the barrel adjuster give more...

I did not say the barrel adjuster give more power, I said the fitting assembly is the same. in both case you split the housing and run the cable through. Cable goes in [housing1 - traveller - housing...
Forum: Folding Bikes
04-07-21, 04:32 AM
Replies: 75
Views: 7,945
Posted By Jipe

They sold about 60000 bikes in 2020. They could...

They sold about 60000 bikes in 2020. They could have sold more if they could produce more.

The amount of bike sold was limited by the manufacturing capabilities due partly to parts availability...
04-04-21, 08:54 AM
Replies: 5
Views: 586
Posted By Pop N Wood

That is the one I am running with my Bafang. ...

That is the one I am running with my Bafang. Works perfectly.
Forum: Folding Bikes
04-03-21, 05:01 AM
Replies: 75
Views: 7,945
Posted By Jipe

I think that even 1200USD is too expensive for a...

I think that even 1200USD is too expensive for a bike that has no brand image.

If you look at who is buying a folding bike, there are people that do multi-modal commuting with most of the time a...
Forum: Folding Bikes
03-31-21, 08:07 PM
Replies: 19
Views: 4,452
Posted By Nyah

Without what is known as a thru-axle, a disc...

Without what is known as a thru-axle, a disc brake will not live up to its potential and, could be very disappointing. If the disc fork has a "C" shape in the part of the dropout where the axle...
Forum: Folding Bikes
03-31-21, 02:03 AM
Replies: 19
Views: 4,452
Posted By Fentuz

It s not just the fork you need to upgrade, you...

It s not just the fork you need to upgrade, you need a strong headset too and the Brompton OEM bearing are unlikely strong enough to handle the added cantilever load.
to convert to front disc brake...
Forum: Folding Bikes
03-28-21, 07:27 PM
Replies: 19
Views: 4,452
Posted By Schwinnsta

Braking forces are much greater because the...

Braking forces are much greater because the acceleration is much stronger. Your braking from speed in just a couple of seconds. That is a lot force. F=MA where A is the change of speed with time.
Forum: Folding Bikes
02-15-21, 06:59 PM
Replies: 62
Views: 34,424
Posted By biker101

A simple DIY solution, "hacking" a seatpost rack....

A simple DIY solution, "hacking" a seatpost rack. See:
http://mybikesite.org/#CarrierBlockMount
...
02-06-21, 02:02 PM
Replies: 16
Views: 697
Posted By veganbikes

I would replace the brakes with something like...

I would replace the brakes with something like the TRP Spyres, you will get a bigger pad and dual piston actuation. Those tiny BB5 pads and other similar tiny pads just don't give you much real...
02-06-21, 11:22 AM
Replies: 16
Views: 697
Posted By HillRider

Yes they do but Shimano sells equivalent rotors...

Yes they do but Shimano sells equivalent rotors with 6-bolt mounting.
Forum: Folding Bikes
01-27-21, 02:25 PM
Replies: 14
Views: 2,097
Posted By 2_i

Thanks for the transcription and finding links to...

Thanks for the transcription and finding links to the parts :thumb:
Forum: Folding Bikes
01-23-21, 04:00 PM
Replies: 32
Views: 3,417
Posted By tuleggi

You can find them in Netherland but it seems they...

You can find them in Netherland but it seems they finished the production so I guess they are the last stocks. This part seems holding well, it´s a tube inside another tube, so quite solid, and on...
Forum: Folding Bikes
01-10-21, 06:33 PM
Replies: 31
Views: 4,642
Posted By rhenning

Winfred the pedal makers law firms recommended...

Winfred the pedal makers law firms recommended having them so they cannot get legally in trouble if a pedal comes loose and someone gets injured. They can say did you use the clip??. Roger
Forum: Folding Bikes
01-09-21, 02:42 PM
Replies: 68
Views: 19,749
Posted By 2_i

Below is a photo of 4 adapters. From left to...

Below is a photo of 4 adapters. From left to right, they are the earlier Litepro, the more recent Litepro, Ridea and CM Wasson. Then there is Litepro B-Series with modified Suntour triple mounted....
Forum: Folding Bikes
01-05-21, 07:08 PM
Replies: 56
Views: 21,443
Posted By 2_i

Sure, I have two of the Shimano ones on my...

Sure, I have two of the Shimano ones on my Brompton. I even used them today when swapping tires for the studded ones :D. As to their use on BYB, I have no clue.
Forum: Folding Bikes
01-05-21, 08:49 AM
Replies: 56
Views: 21,443
Posted By 2_i

They play analogous role to cable releases on...

They play analogous role to cable releases on most bikes, e.g., those with V-brakes. They allow you to temporarily shorten the cable housing so that you can spread the brake pads farther apart and...
Forum: Folding Bikes
12-30-20, 08:52 AM
Replies: 42
Views: 4,011
Posted By Pinigis

I prefer the term “personal mobility device”. It...

I prefer the term “personal mobility device”. It seems to baffle them.
12-28-20, 03:20 PM
Replies: 29
Views: 1,547
Posted By dsaul

Brompton frames are made with a mixture of fillet...

Brompton frames are made with a mixture of fillet brazed joints and brazed lugs. In terms of strength, fillet brazing and TIG both produce a joint that is stronger than the parent tubes, when done...
Forum: Folding Bikes
12-11-20, 04:52 PM
Replies: 61
Views: 11,134
Posted By Jipe

Yes, a short reach is too short to reach the...

Yes, a short reach is too short to reach the Brompton rim from the fork caliper hole, if the reach would be long enough, it wouldn't be a short reach.

The Cane Creek eeBrake has normally a top...
09-29-20, 08:20 AM
Replies: 14
Views: 888
Posted By 2_i

No, you show a picture of a new improved valve...

No, you show a picture of a new improved valve that does not use the hose anymore. The traditional one, with a hose, is shown below. Otherwise utilitarian bikes tend to uphold local traditions and...
09-29-20, 08:13 AM
Replies: 14
Views: 888
Posted By Trevtassie

Nah, the original version of the dunlop valve had...

Nah, the original version of the dunlop valve had a simple spike with two holes, that a little rubber tube slipped over. The tube acted as a one way valve, blocking the holes and also sealed the...
Forum: Folding Bikes
08-31-20, 12:31 AM
Replies: 336
Views: 88,961
Posted By MezzoLew

The only place where you can buy them in the UK...

The only place where you can buy them in the UK is on the auction sites (eBay - search for "Mezzo D9"... there are 5 at the moment there) or Facebook Marketplace or Gumtree

There is a rather nice...
Forum: Folding Bikes
08-25-20, 06:10 AM
Replies: 30
Views: 2,881
Posted By driftwork

I've tried out the Ori before and didn't really...

I've tried out the Ori before and didn't really like the ride as much as the Brompton and definitely not as much as I liked the Tikit. Also, I met the Ori folks at their booth at the Taipei...
Forum: Folding Bikes
06-14-20, 06:44 PM
Replies: 6
Views: 1,328
Posted By BromptonINrio

i regret folow sturmey archer path. Its...

i regret folow sturmey archer path.
Its draggy, fragile, and hard to find parts in south america.
​​​​​​

If only i could back in time i would go titanium rear triangle 135 path and nexus...
Forum: Folding Bikes
06-05-20, 02:11 AM
Replies: 29
Views: 9,530
Posted By pierro78

sorry I don't know by the way I find that...

sorry I don't know

by the way I find that the gear range is quite good for the city with its 9/13/17T rear cog ... but it seems to me there is a kind of "hole" between the longest and medium gear...
Forum: Folding Bikes
05-30-20, 12:37 AM
Replies: 1
Views: 424
Posted By Blackstrida_A_

No. Why? Simply because most people...

No.

Why?
Simply because most people noticed in time that it is impossible to use a two - side mounted gear hub on a single - side frame.



Me neither, but there is definitely no way to...
Forum: Folding Bikes
05-24-20, 07:25 PM
Replies: 14
Views: 1,413
Posted By 2_i

Relative to other alu guards, this one is light....

Relative to other alu guards, this one is light. You mount it with the same hardware as regular rings. Since you should have the original bolts for the triple, you should have no problem there. The...
Forum: Folding Bikes
01-27-20, 05:56 AM
Replies: 210
Views: 79,870
Posted By BromptonINrio

they said it inteferes with long arm vbrake...

they said it inteferes with long arm vbrake mrcanisms.
very specific problem, as dahons uses normal vbrakes
01-24-20, 06:59 PM
Replies: 26
Views: 1,024
Posted By Drew Eckhardt

You don't want to do anything to make the nipples...

You don't want to do anything to make the nipples more difficult to turn later.

Put enough tension in the wheel (110 kgf rear drive side) and it will stay true until crashed or bent on a road...
01-22-20, 08:33 AM
Replies: 26
Views: 1,024
Posted By cyccommute

There are better products out there. Linseed oil...

There are better products out there. Linseed oil works okay if you dip the spokes and let them dry. Trying to apply it while transferring a rim is not as easy. Ideally, you loosen one spoke at a...
Forum: Folding Bikes
01-11-20, 12:00 PM
Replies: 5
Views: 883
Posted By sweeks

Looks like the difference is 5mm: Chart...

Looks like the difference is 5mm: Chart (http://www.shimano.com/publish/content/global_cycle/en/us/index/tech_support/tech_tips.download.-Par50lparsys-0015-downloadFile.html/08) Hub Dimensions.pdf)...
Forum: Folding Bikes
12-01-19, 06:37 PM
Replies: 12
Views: 3,172
Posted By residuenyc

Zipties work fine. Mine have held up for several...

Zipties work fine. Mine have held up for several years. The disadvantage, other than aesthetics, is that the frame stays with the bag.
10-31-19, 12:18 PM
Replies: 7
Views: 1,225
Posted By angerdan

cateyeamerica.com/small-parts/for-safety-lights...

cateyeamerica.com/small-parts/for-safety-lights (https://www.cateyeamerica.com/small-parts/for-safety-lights)
cateye.com/intl/products/safety_lights/TL-LD155-R/...
Forum: Folding Bikes
09-22-19, 01:35 PM
Replies: 18
Views: 3,133
Posted By WeeBike

The front hub is a SA X-FDD 6 volt 3 watt and yes...

The front hub is a SA X-FDD 6 volt 3 watt and yes I did widen the fork to 100mm.
Forum: Folding Bikes
08-21-19, 11:49 PM
Replies: 22
Views: 3,713
Posted By wqlava1

A full size bike is about 105cm long from dropout...

A full size bike is about 105cm long from dropout to dropout. You just need to have bars not too long when turned sideways ( drops are narrower), take off both wheels, drop the saddle with a QR, take...
Showing results 1 to 43 of 43


 
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