All Questions
53
questions
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
3
votes
3
answers
6k
views
Stripped threading on upper rear rack bracket
One of the rear rack holes on my aluminum frame have become stripped after a year of taking the rear rack off at least once a week. I've been using this bike for commuting and weekend riding, so I ...
- 245
3
votes
2
answers
6k
views
Is it possible to repair a dent on frame?
Hi, I found today dent on down tube (13/14cm from head tube).
I have two questions:
Is it possible to repair the frame?
Is it safe to ride the bike after this
Main frame is aluminum.
The dent is ...
- 31
3
votes
1
answer
233
views
Can this frame be saved?
I had a little accident and went over the handlebars.
I'm okay, I was able to ride the bike home, but it is obviously bent. Everything else on the bike seems to be fine, the wheels are true and ...
- 246
3
votes
1
answer
457
views
Dahon Vitesse frame latch
I am repairing a Dahon Vitesse. The frame latch was incomplete. I have the new frame latch parts but cannot work out where they go, particularly the washers and small springs. Does anyone have a ...
- 31
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
1
vote
1
answer
218
views
How do I keep smallest gear on my crank shaft from contacting frame
I have an old Trek 8000 ZX that I am fixing up. I had to replace the bottom bracket and I believe I successfully did that. The bike did not have a crank set to work with so I salvaged one from a pile ...
- 155
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
4
votes
2
answers
749
views
Seat Stay Replacement - Bridgestone MB-3
I am working to restore my first mountain bike frame, a "vintage" 1993 Bridgestone MB-3. Early on, I swedged the left seat stay so that it buckled a bit & rotated about 15 degrees inward. I have ...
- 41
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
1
answer
2k
views
What caused this seat clamp / frame failure?
Here's my "long distance" ride, which is an old steel MTB without suspension.
I picked it up by the saddle to move it and felt some play, I thought the saddle rails might have been loose, ...
- 128k
0
votes
3
answers
2k
views
Water inside bike frame
My latest "project" involves my bike, i.e. I want to perform a complete renovation of it. This involves changing rim, complete shift group, brakes, hubs, carrier etc, just keeping frame, seat post and ...
- 147
1
vote
0
answers
2k
views
Lowrider style bent forks techniques
Would a 24 inch bent fork fit on a 20 inch frame? Is there even a 24 inch fork? Would a 26 inch fit? Also if it doesn't fit in could I just add to the 20 inch - would you be able to extend it making ...
- 19
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
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