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4
votes
4answers
120 views

What is the purpose of a serial number?

It seems like pretty much everywhere I look, serial numbers can't do the things that it seems they should be able to do. They can't help people figure out what bike they have. They can't help at all ...
1
vote
0answers
26 views

Can you identify this Sachs hub?

I recently picked this up along with a couple of old wheels. I don't know it's age or history. I've only got as far as identifying it as a Sachs. There are no other markings apart from the logo ...
0
votes
1answer
69 views

What kind of gear shifter is this? Single lever

I have this old bike that I'm taking a look at (ie oiling and whatnot) for a friend. The bike is old (maybe 20 years old), with this type of a gear shifter for front derailleur: It has a single ...
3
votes
4answers
163 views

How to estimate price of an old CrMo frame?

So it happened. My old good CrMo friend got hit by a car and the blow was heavy enough to affect the whole frame. Now the car driver is expected to pay back the expenses but I am not sure how to ...
0
votes
0answers
250 views

What brand is this vintage bicycle?

![It says 'T' and under it ''Made in Austria'' in the English language, which I find strange1 How do I identify this bicycle? I couldn't find online any manufacturer from Austria called ...
0
votes
1answer
246 views

Does anyone know what kind of bike this is?

I found this bicycle a while back and have been planning on either fixing it up (if it's worth it) or selling it. All I have, really, is the frame. I haven't been able to find out exactly what it is ...
11
votes
3answers
1k views

What kind of flat is this?

I'm stumped. For the last yew years I have been getting flats that look like this: As you can see, it's a tiny, tiny hole that can only be found by inflating the tire to twice its size or so. I ...
7
votes
3answers
382 views

Is this a puncture protection thing?

I got a vintage bike to commute with (I wanted a heavy one for the exercise) and I was hoping for a flat so I would have an excuse to spend money on a puncture resistant street tire to replace the ...
2
votes
2answers
4k views

Knowing what bicycle frame material I have

I have a bicycle frame that's really heavy. It's a mountain bike frame with shocks, so I decided to replace the entire frame with a city bike aluminum frame(I only use the bike if I have to pick ...