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Search: Posts Made By: Geepig
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Forum: Folding Bikes
04-16-21, 03:10 AM
Replies: 6
Views: 242
Posted By Geepig

Well, it is a handsome enough machine, with good...

Well, it is a handsome enough machine, with good 1970s styling and some very nice features. I have never seen a headstock like that before - cute!
Forum: Folding Bikes
04-16-21, 02:44 AM
Replies: 63
Views: 6,333
Posted By Geepig

Well, what with the improvements in the weather...

Well, what with the improvements in the weather and the actual rideability of Zenit, I thought it was time to make some kind of trip in its new field of action. Luckily wifie agreed with me, dug out...
04-16-21, 12:56 AM
Replies: 7
Views: 243
Posted By Geepig

Not always true: I had two Romet Wigry upside...

Not always true: I had two Romet Wigry upside down last week at the same time while shifting parts between them and servicing their hubs - they have 20" wheels and just a coaster brake, and it was...
04-15-21, 04:16 AM
Replies: 54
Views: 1,125
Posted By Geepig

How does it ride? Do you like the way that it...

How does it ride? Do you like the way that it rides?

The one that I showed above rides well, and is just fun. Another, a bike-shaped-object that night have been an anvil in a former life, steers...
04-15-21, 01:56 AM
Replies: 24
Views: 466
Posted By Geepig

I cannot speak for anyone else, but I generally...

I cannot speak for anyone else, but I generally only do it for my 20" and 24" wheels, which with my arthritic fingers, sometimes very stiff tire walls and tight rim curve, can make getting the tube...
04-15-21, 01:31 AM
Replies: 26
Views: 475
Posted By Geepig

I often encounter the problem, because I rebuild...

I often encounter the problem, because I rebuild many children's bikes. It is even more scary when you forget, ride toward a wall and then realise you cannot steer enough because you have have...
Forum: Folding Bikes
04-15-21, 12:26 AM
Replies: 35
Views: 3,277
Posted By Geepig

It is looking good, and the tires look really...

It is looking good, and the tires look really good, better than I imagined.

How long do you reckon before you have to start building a larger bike for him?
Forum: Folding Bikes
04-14-21, 11:56 PM
Replies: 6
Views: 242
Posted By Geepig

Welcome to the forum! I would love to see...

Welcome to the forum!

I would love to see your bike, it is rare for anyone to post anything but the usual Dahons, Bromptons etc. You just need to make at least 10 posts and then you can add...
Forum: Folding Bikes
04-14-21, 11:35 PM
Replies: 6
Views: 443
Posted By Geepig

I have never had folding pedals either :) ...

I have never had folding pedals either :)

Yes, the 'threads' are those multiple valleys.

After you remove the pedals, try fitting the mouth of your 1/2" and 9/16" spanners across those valleys,...
04-14-21, 03:56 AM
Replies: 11
Views: 247
Posted By Geepig

Ah, so you can use 'w/' and we cannot use...

Ah, so you can use 'w/' and we cannot use 'brifters'.... Proper words, proper words ;)

It would be interesting to know how the derailleur was cleaned, because without (w/out) pictures it might...
Forum: Folding Bikes
04-14-21, 02:24 AM
Replies: 9
Views: 463
Posted By Geepig

Probably not quite as rare as to be asked a...

Probably not quite as rare as to be asked a question not so full of un-mentioned assumptions that it can be reliably answered. Since I live in Poland it helps to mention that I live in Poland...
04-13-21, 11:11 PM
Replies: 27
Views: 654
Posted By Geepig

The other day I struggled to get a pair of...

The other day I struggled to get a pair of Polish-made Stomil Antilopes, dating from the 1980s, off and back on a 20" wheel, while my others have been no problem. I suspect having spent the last 25...
04-13-21, 02:51 AM
Replies: 18
Views: 335
Posted By Geepig

The last one I had like that turned out to be a...

The last one I had like that turned out to be a bent rod within the caliper after someone strapped their bike down badly. The thing is that if the brake engages cleanly but fails to disengage, the...
04-13-21, 02:35 AM
Replies: 14
Views: 394
Posted By Geepig

I cannot get them either, youtube says it cannot...

I cannot get them either, youtube says it cannot find them
04-13-21, 02:32 AM
Replies: 11
Views: 290
Posted By Geepig

Ah, it is sad when our favoured things go bad... ...

Ah, it is sad when our favoured things go bad...

Where are the spokes popping? Inside the nipple? At the hub end? Somewhere else?

I am not too surprised that more spokes are going at the same...
04-13-21, 02:24 AM
Replies: 24
Views: 466
Posted By Geepig

Maybe the small pump I have lying around the...

Maybe the small pump I have lying around the garage for such tasks needs some maintenance then: first pump and tube is still floppy, on the second it yawns and by the third it starts to consider...
04-13-21, 01:21 AM
Replies: 54
Views: 1,125
Posted By Geepig

Um, I would get the string out for a check for...

Um, I would get the string out for a check for frame alignment first ;)

If the frame is true the solution may be as simple as redishing the wheel.

If the frame is not true the solution may be...
Forum: Folding Bikes
04-13-21, 01:03 AM
Replies: 1,113
Views: 307,844
Posted By Geepig

Well, if you can, I can too! I have some ...

Well, if you can, I can too!

I have some spare front basket mounts lying around which would be ideal.
04-13-21, 12:42 AM
Replies: 14
Views: 295
Posted By Geepig

I would avoid referring to the hub as 130 or 126,...

I would avoid referring to the hub as 130 or 126, because these are frame dimensions - and while a hub may be narrow enough to fit a particular frame size it will automatically fit a larger frame...
Forum: Folding Bikes
04-13-21, 12:02 AM
Replies: 8
Views: 362
Posted By Geepig

Yes, very true, and energy conversion rates etc.,...

Yes, very true, and energy conversion rates etc., I just wanted to keep to your subject of speed.
04-12-21, 11:58 PM
Replies: 10
Views: 391
Posted By Geepig

There are many, many things that go wrong -...

There are many, many things that go wrong - someone adjusts the spec and/or the design of the nipple and fails to inform those downstream, the nipple making machine starts to fail or an error is made...
04-12-21, 11:30 PM
Replies: 14
Views: 298
Posted By Geepig

From my end of the bike market, with the tired...

From my end of the bike market, with the tired cheap folders, de-tensioning is essential as you want to find which nipples have seized before you have a wobbly hub hanging from a half set of...
04-12-21, 11:10 PM
Replies: 24
Views: 466
Posted By Geepig

That is a high pressure! Even when checking...

That is a high pressure!

Even when checking for a puncture I would only take it until it takes a tubular shape, just a few pumps on my hand pump.
04-12-21, 07:06 AM
Replies: 25
Views: 576
Posted By Geepig

I used to ride no hands a lot. I mean the...

I used to ride no hands a lot. I mean the handlebars were there to hold the brakes, or something to pull on for really steep hills - that kind of thing.

You can tell a lot by riding no hands, but...
Forum: Folding Bikes
04-12-21, 03:42 AM
Replies: 63
Views: 6,333
Posted By Geepig

Paypal? Many of these people run a thirty year...

Paypal? Many of these people run a thirty year tractor... Anyway, at least he did not get phone message mid-mass informing him that he had tested positive...
Forum: Folding Bikes
04-12-21, 03:16 AM
Replies: 8
Views: 362
Posted By Geepig

I would imagine that if speed is the aim, then...

I would imagine that if speed is the aim, then having the front forks steal a portion of each and every power stroke must be annoying, plus the extra weight that has to be continually re-accelerated....
Forum: Folding Bikes
04-12-21, 03:05 AM
Replies: 1,113
Views: 307,844
Posted By Geepig

Ah, family and friends on a family of bikes and...

Ah, family and friends on a family of bikes and friends!

I like the cup holder on the front of the blue one, I might consider one for my Wigry - it would be perfect around town, pick up a coffee...
Forum: Folding Bikes
04-12-21, 02:54 AM
Replies: 7
Views: 233
Posted By Geepig

The bodged mentions of 'no QR skewers for disk...

The bodged mentions of 'no QR skewers for disk folders' are really tiresome. Our building maintenance services are like that: they post the message that we have to take everything off our balconies...
04-12-21, 12:46 AM
Replies: 36
Views: 988
Posted By Geepig

What is way too much hassle is a strange thing -...

What is way too much hassle is a strange thing - it is very easy to get in too deep and give up, but then if one is going to have a race bike then hassle is the name of the game.

I hope your...
04-12-21, 12:37 AM
Replies: 10
Views: 391
Posted By Geepig

OMG, that is SO funny, I nearly fell off my chair...

OMG, that is SO funny, I nearly fell off my chair laughing!

As a mechanic I remember many odd things on new cars from the factory, as an engineer I saw many a strange thing happen on a production...
04-12-21, 12:25 AM
Replies: 14
Views: 295
Posted By Geepig

You need to dish the wheel in order to centre it...

You need to dish the wheel in order to centre it between the seat/chain stays, which logically must be done after you have decided how the hub is going to be mounted in the frame etc.

If the frame...
Forum: Folding Bikes
04-09-21, 06:32 AM
Replies: 7
Views: 435
Posted By Geepig

At 45 degrees I would be traversing it crosswise,...

At 45 degrees I would be traversing it crosswise, at speed, and hoping I could hold it all together ;)

If the slope is steep then sitting becomes no longer an option as the front of the bike will...
Forum: Folding Bikes
04-09-21, 06:15 AM
Replies: 332
Views: 82,180
Posted By Geepig

Saddles can be a very personal thing. I will ride...

Saddles can be a very personal thing. I will ride with anything as a saddle, because I have ridden a lot in my life, but I prefer something minimal and without padding. If you do not ride much then...
Forum: Folding Bikes
04-09-21, 06:08 AM
Replies: 59
Views: 7,431
Posted By Geepig

Actually I was talking about the cable pull. Even...

Actually I was talking about the cable pull. Even the ratio is less informative, because it assumes that you can pull cleanly on the lever.

Kids bike levers come in a whole range of sizes and...
Forum: Folding Bikes
04-09-21, 05:11 AM
Replies: 6
Views: 443
Posted By Geepig

The first question is whether you have 1/2" and...

The first question is whether you have 1/2" and 9/16" open-ended wrenches? If not then 13mm is close to 1/2" inch and 14mm is close to 9/16".

The first step is to remove the problem pedal.

Next...
Forum: Folding Bikes
04-09-21, 04:57 AM
Replies: 63
Views: 6,333
Posted By Geepig

It took me only a couple of hours to strip down...

It took me only a couple of hours to strip down Whitey to nothing more than a bare frame, and another hour or so getting the Wigry rideable - where Danusia had to lose its saddle because I needed...
Forum: Folding Bikes
04-08-21, 06:59 AM
Replies: 11
Views: 614
Posted By Geepig

The question is popular with whom? For...

The question is popular with whom?

For example, chainstore bikes are often bought, ridden and disposed of, with a little maintenance on the way. Unless you happen to live in the country of...
Forum: Folding Bikes
04-08-21, 06:31 AM
Replies: 59
Views: 7,431
Posted By Geepig

But neither will work to increase mechanical...

But neither will work to increase mechanical advantage, they only reduce lever movement at the expense of mechanical advantage.

Ignore the hyper-waffle, just consider the basic physics of a lever....
Forum: Folding Bikes
04-08-21, 06:00 AM
Replies: 2
Views: 326
Posted By Geepig

Nooooooooooooooooo... Life is far to precious to...

Nooooooooooooooooo... Life is far to precious to waste on 'easier' ;)

Is this one of those three-wheeled, scooter like folders?
Forum: Folding Bikes
04-08-21, 05:57 AM
Replies: 59
Views: 7,431
Posted By Geepig

Really? Given that a brake lever is a lever,...

Really?

Given that a brake lever is a lever, and that the pads will need to move a certain distance to contact the braking surfaces, then the cable-to-pivot distance in the lever mechanism is...
Forum: Folding Bikes
03-31-21, 06:55 AM
Replies: 21
Views: 886
Posted By Geepig

Well, it is certainly an old one, and it actually...

Well, it is certainly an old one, and it actually has the early MTB style of rear brake position. what we need here is someone who is familiar with the kind of equipment fitted on it.
03-31-21, 04:06 AM
Replies: 9
Views: 286
Posted By Geepig

It looks doable, they look like they are mounted...

It looks doable, they look like they are mounted on a standard square type of bottom bracket axle.

With that fixed saddle it kind of reminds me of the mopeds I used to ride that had pedals to...
03-31-21, 03:45 AM
Replies: 8
Views: 361
Posted By Geepig

All the ones I have ever seen have been smooth,...

All the ones I have ever seen have been smooth, unless they are badly worn - but even then they generally wear smooth and you can end up with a step between the worn and unworn parts. For mine I can...
03-31-21, 03:31 AM
Replies: 9
Views: 254
Posted By Geepig

Or simply find a friendly neighbor. As to...

Or simply find a friendly neighbor.

As to the wheel nut size, I have 13, 14 and 15 mm on my various bikes, all from the same manufacturer, so I automatically grab all three wrenches each time I...
03-31-21, 03:22 AM
Replies: 137
Views: 4,783
Posted By Geepig

Funnily enough, I just exchanged one of my bikes...

Funnily enough, I just exchanged one of my bikes for a bike similar to this, with what looks like the same forks. Pity that I am in Poland and the forks are painted yellow...
03-31-21, 02:41 AM
Replies: 28
Views: 641
Posted By Geepig

So the logic is that one should not use 'dish'...

So the logic is that one should not use 'dish' for the rim-to-hub offset because it might be confused with a rim shape, and instead one should use 'centering' even though only the front wheel can be...
Forum: Folding Bikes
03-31-21, 01:31 AM
Replies: 1,113
Views: 307,844
Posted By Geepig

I have a new bike, although not so 'new' as well...

I have a new bike, although not so 'new' as well worn. It is a Romet Wigry, and on its 20" wheels it seems tiny compared to my Romet Jubilats.

...
Forum: Folding Bikes
03-31-21, 01:11 AM
Replies: 63
Views: 6,333
Posted By Geepig

Poor Danusia, not only did it lose its rear wheel...

Poor Danusia, not only did it lose its rear wheel to Blue, but I then removed the front wheel to put it on Best. With the 3-speed wheel back on Zenit, the 5-speed wheel was back in the garage, all...
03-31-21, 12:33 AM
Replies: 9
Views: 314
Posted By Geepig

I no longer own a torque wrench, so I have not...

I no longer own a torque wrench, so I have not paid attention to what torque is required. What I can say is that if you increased the torque in 1 NM increments until the bars stopped moving the...
03-30-21, 06:31 AM
Replies: 9
Views: 341
Posted By Geepig

That is an approved method where I come from,...

That is an approved method where I come from, when your sprocket side Velosteel coaster brake cone comes loose during a wheel out operation far from home. This weekend I have to refit a bicycle wheel...
Showing results 1 to 50 of 566
 


 
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