All Questions
53
questions
10
votes
2
answers
2k
views
Help please to identify my Tandem
I have just purchased an old tandem, but don't know the make or year.
Can anyone help me to identify it.
The frame is steel and it has a frame number of 452599.
There are no decals fitted but I attach ...
- 101
9
votes
3
answers
5k
views
Is my derailleur hanger too bent?
I bent the (steel) derailleur hanger on my 9spd cassetted (steel) Bianchi Volpe about 1.5 yrs ago, and I just did it again, but worse. This time the derailleur got sucked into the wheel and really did ...
- 215
12
votes
2
answers
34k
views
Is it possible to repair a dent on an aluminium frame?
I have Centurion Cyclo Cross 4000 bike. Recently I got into an accident with a car door. As a result I have a significant dent on my frame(see the photos below).
I have two questions:
Is it possible ...
- 245
3
votes
2
answers
1k
views
Possible to repair a pushed in braze-on?
I have a Trek 7200 (Alpha aluminum frame) and it has two water bottle holder mountings, the top braze-on on the seat tube seems to have broken from over-tightening and has sunk into the frame. These ...
- 1,657
3
votes
3
answers
9k
views
Vibrations in frame when pedaling
Recently, when I pedal sufficiently hard, I begin to feel vibrations through the whole frame of the bike. They are not so strong as to make the bike un-ridable, but neither are they road chatter. I ...
- 1,920
2
votes
2
answers
891
views
How do I know if the tandem bicycle I've inherited is worth repairing? It has a serial # 459310 on it, no other identifiers
I've inherited a vintage tandem. It looks as if it has been spray painted, and has no identifiers, etc remaining on the frame. The serial # on the bottom reads -459310. Any ideas on a make or model, ...
- 37
5
votes
2
answers
7k
views
Is torque relevant for steel/aluminium? Where do I find torque specs?
When you are not dealing with carbon, is torque relevant?
I've never seen it mentioned on the hundreds of answers here, or the hundreds of how-tos I've read elsewhere.
Should I just tighten ...
- 1,465
14
votes
3
answers
23k
views
Repairing a bent bike frame, is it worth it?
I have a bike with an incredibly bent frame. The bike itself I have tried to replace with other inexpensive bixes, but this one just had a certain geometry that I keep wanting to resurrect it. It is ...
- 938