All Questions
53
questions
22
votes
10
answers
57k
views
How many years an aluminium frame lasts in a touring bike?
How long does an aluminium frame lasts in a touring bike?
[Removed extra questions to be clear.]
Background
So far I preferred aluminium vs. steel for many reasons, but if steel lasts significantly ...
- 1,358
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
13
votes
6
answers
9k
views
What's the strongest way to bond a cable stop to an aluminum frame?
I recently picked up another well loved GT road bike frame- it's in great shape aside from a missing downtube cable stop. The model is a ZR 4000 probably from 1999, it's 7005 heat treated aluminum. My ...
- 761
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
10
votes
7
answers
4k
views
Is it safe to ride a frame with a hairline crack in the head tube lug?
I am considering buying an Alan Super Record aluminium frame, but there is a hairline crack in the lug on the bottom of the headtube. Is this a big problem, and would it be unsafe to ride it?
Is there ...
- 573
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
7
answers
8k
views
Can this crack in the steel chain-side dropout be welded?
I have a thru-crack on the driveside dropout near where it meets the chain stay.
The bike is an early 1980's steel frame Trek mountain bike.
See pics.
Bike rides fine otherwise and I have invested ...
- 139
9
votes
7
answers
2k
views
Is it possible to repair a dent on an aluminum frame using carbon fiber?
Every dent is unique so I think it is ok to ask this question once more.
I have a Stevens Superflight 2020 which has a dent on a frame:
My plan is to create some carbon fiber sleeve around the dent, ...
- 131
9
votes
2
answers
3k
views
Frame with bottle cage boss ripped out - how serious is the damage?
I'm a huge fan of Greg Lemond so naturally when this frame showed up in my local Facebook page with just the frame and headset, no fork. I got very excited. The seller says that the bottle cage boss ...
- 573
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
7
votes
4
answers
6k
views
Bending back a bent head tube - is it worth trying?
I have a bike that was in a major front end collision (I T-boned a car). The frame is steel and the bike bent at the head tube, the welds seem to be fine. Pictures below.
I am fully aware the ...
user21245
6
votes
1
answer
2k
views
Repairing Carbon / Aluminum frame
My road bike is aluminum with a carbon rear triangle. The carbon rear slides into the aluminum, and I believe was bonded with some sort of epoxy. The pieces have begun to separate after 2.5 years ...
- 263
5
votes
6
answers
3k
views
How long will this alum frame last?
I picked up this very cool 96-97 GT rage from Craigslist with the intention of restoration- a few rusty pinch bolts, spider eggs in the brake hoods, grinding bearings and pitted races, and all the ...
- 761
5
votes
3
answers
7k
views
What is the potential danger of riding bicycle with cracked chainstay and how to fix it?
I got a bicycle that has this big tear in the chainstay.
Is it safe for city riding? What is the potential danger?
What could someone have done to cause this kind of damage?
Most importantly what ...
- 183
5
votes
1
answer
1k
views
Dent near bottom bracket on vintage steel frame
I just bought myself an old vintage Koga Miyata and just realized today that there's a weird dent on the frame near bottom bracket.
Is this something I should be worried about? Or is it normal with ...
- 1,015