13
votes
Trying to match up a new seat for my bicycle and having difficulty finding one that will work
The stickers tell you it's a Giant Sedona. To me it looks like a fairly old model (they still make a similar hybrid under that name, but with suspension).
But you don't need the model details to ...
- 52.7k
13
votes
Trying to match up a new seat for my bicycle and having difficulty finding one that will work
Its a Giant Sedona, probably from the 2000's.
But that information is not very useful for replacing the saddle. If you look up underneath the saddle, there will be two parallel rails, and the ...
- 114k
9
votes
Can anyone tell me anything about "The James" bicycles?
If "The James" means The James Cycle Co Ltd, of England;
From Wikipedia
The James Cycle Co Ltd., Greet, Birmingham, England, was one of many British cycle and motorcycle makers based in the ...
- 19.4k
8
votes
Where to find a replacement bolt for this vintage bike?
The part you are looking at is a seatpost binder bolt. These are easily available at a variety of price levels and different materials, generally chrome-plated cromoly are the best but the stainless ...
- 12.4k
6
votes
Acquired an old bike with a house purchase; does it have value worthy of restoration?
I can tell you a little about the saddle and the coaster brake.
It's a Brooks Hammock Saddle.
I found a collection of Brooks Saddle catalogs. The oldest catalog with that saddle type was 1912.
The ...
- 19.4k
6
votes
Theoretically, about weird but very interesting 3x9 setup? Some knowledge about gearing would be great :)
If you had 42-32-22 in front and 11-42 in back, the derailleur would need 51t of capacity. A bit of casual searching revealed that the highest wrap capacity I could find on a newish derailleur is 47t, ...
- 27.4k
6
votes
Removing a 1970s Schwinn Bottom Bracket
Alan is correct.
Here's a diagram of this type of crank. Sheldon describes it with words but sometimes a picture helps.
The left side in the picture above is missing both the locknut and the ...
- 19.4k
6
votes
Removing a 1970s Schwinn Bottom Bracket
This is what's called a 'one-piece' or 'Ashtabula' crank.
There is a nut you have removed (or that was already missing) on the threading. Then you remove the left cone via the slot in your second ...
- 1,495
5
votes
Theoretically, about weird but very interesting 3x9 setup? Some knowledge about gearing would be great :)
22:42 gearing is a ratio of 0.52 or 13.6 gear-inches on 26" wheels. That will be around 5 km/h or 3 mph in bottom gear at 90 RPM on the crank. You may not be able to balance at such slow speeds ...
- 114k
5
votes
Trying to match up a new seat for my bicycle and having difficulty finding one that will work
In addition to the fine answers provided, your question mentioned that the "the plastic has broken off from the metal post." This metal post is called a seatpost.
In the chance that the ...
- 5,475
4
votes
Lubricate cotter pin taper? Why or why not?
I've come across a lot of oxidized cotter pins that are a right pain to remove!
For me, the biggest tip would be to use an appropriate anti-seize compound and apply it. The benefits are similar to ...
- 3,314
4
votes
Looking for year and model of this Bianchi
It looks a lot like the 1987 or 1988 Strada. With Grab On foam grips and probably a 19 inch frame.
They did make it in red
Here's one found in the wild with a picture taken from the correct side of ...
- 19.4k
4
votes
Accepted
Vintage MTB with Hollowtech II - FD doesn't reach outer ring
There are two main things I see:
You are using an MTB shifter with a road front derailleur. The cable pull ratio is different making them incompatible.
The chaineline is off. Your FC-MT210-3 has a ...
- 3,351
3
votes
Accomodating new wheel on old bicycle
Assuming the old bike uses a normal steerer diameter, buy a new fork.
An alloy or steel 700c fork can be had for less than a hub (as cheap as $40USD new, cheaper used). Even if you could find a hub ...
- 866
3
votes
Accepted
Identifying missing small part Campagnolo brake lever
It's called a "cable guide plate"
Part number 7283057 in the picture below
Searching for "campagnolo brake cable guide plate" will turn up results.
- 19.4k
3
votes
Accepted
Campagnolo brake spring too stiff
I redid a shimano caliper brake recently, and on reassembly the spring was massively too strong.
Turns out I'd overtightened the pivot points and they were resisting in both directions. Check that ...
- 114k
3
votes
Where to get a crank puller for a vintage bicycle?
It appears the extraction threads are 10mm. That wouldn't leave room for a tool to be hollow and have something running through them to push against the spindle, which is hollow.
I'm not totally sure ...
- 76.9k
3
votes
Acquired an old bike with a house purchase; does it have value worthy of restoration?
I would call that a 70's bike at newest, and it may date to much earlier.
The saddle and its structure look very strange and may be the key to dating it better. The leather top has perished and ...
- 114k
3
votes
How to replace a broken front hub on a vintage steel wheel from a vintage steel bike?
Just to say that I rebuilt the wheel very successfully and easily while watching a movie one evening.
After I'd roughly put the spokes and hub and wheel together, I put the wheel onto the outside of ...
- 95
3
votes
Repair/Replace rim brakes with bottom cable routing
It sounds like this bike has single pivot calipers, and that the rear brake has the cable entering from below and clamped on top - ie the cable mount part is upside down. Something like this:
Power ...
- 114k
2
votes
Acquired an old bike with a house purchase; does it have value worthy of restoration?
The bike as you see it there isn't really valuable as it is but you should bear in mind that it would have been a quality item when new and is fitted with some expensive components from well respected ...
- 12.4k
2
votes
Replace vintage bottom bracket nut
Go to your local used bike and parts shop/store. The bike co-op near me has a coffee can full of these that they'd probably sell for $.25 a piece.
- 21
2
votes
Braze on downtube with no square for lever stopper
I'm not an expert on the history of downtube shifter bosses, but what's going on here may be the bosses on this frame were made to emulate the boss part of certain Simplex band clamp type downtube ...
- 76.9k
2
votes
Campagnolo brake spring too stiff
This may be a stupid idea, but are you sure it's springs that is stiff? Or maybe dry grease, seized bushing somewhere?
- 815
2
votes
Help identify this make model of this BMX?
It can be fixed.
You will spend multiple times it's value in time and parts to repair it.
It just depends on how much you love it.
- 19.4k
1
vote
Identify 2 Raleigh kids bikes - Boxer & Bullet
My first bike was a Raleigh Bullet. I loved it! We got it at John Lewis around 1982.
- 11
1
vote
help me to find out what brand make this frame
Brand: no idea and it doesn't really matter.
Observations: The fork looks like steel due to its fine profile and high rake.
Frame has braze-ons for mudguard / fender mounts, (so its a general purpose ...
- 114k
1
vote
Identifying missing small part Campagnolo brake lever
Ideally buying the part would be easiest, but finding the part to buy could be a whole lot of work. Identifying a part number is your first task there.
If I was in this position, I'd try two ...
- 114k
1
vote
Availability of Drop Randonneur handlebars Raleigh 72 grand sport?
Yes. Randonneur bars are still in production, although they're a little bit of a specialty item. Rando bars raise your hand position by putting a little kink near the center ferrule; modern bars raise ...
- 27.4k
1
vote
Availability of Drop Randonneur handlebars Raleigh 72 grand sport?
Well, yes, to a certain extent. The attribute you are looking at there is known as "Flare" and is a current trend on nearly all "gravel" style bikes.
The flare on some of the newer ...
- 12.4k
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