All Questions
12 questions
6
votes
2
answers
392
views
Material chipping from fork dropout. Still safe?
I have a 10 year old Suntour suspension fork where some of the material on the dropout has started to chip and fall off. I think it has happened because of some harsh winters with lots of road salt. ...
- 4,414
5
votes
3
answers
2k
views
What is a safe weight for front rack + luggage for a steel race bike fork?
I frequently commute with a backpack on my '90s steel race bike, and encounter the usual issues of sweaty back and tired shoulders. The riding position is also not perfect for carrying a backpack on ...
- 573
1
vote
0
answers
94
views
Magnitude of load and cycles needed during testing of bike forks
I want to do a structural test on bicycle forks. Is there any specific criteria I need to follow of what should be the magnitude of the significant load and also how many cycles would need to be ...
- 11
1
vote
1
answer
262
views
Lots of cracks - safe to ride?
I probably shouldn't have, but I just bought this 2016 CAAD 8 second hand for cheap. I'm trying to work out if it's safe to ride.
There are cracks all over the carbon fork (and in the rest of the ...
- 13
4
votes
3
answers
710
views
Fork done for? Has slight cut on the steerer that
Got this cyclocross frame with a fork, didn't see the cut in the steerer tube until much later. Has a 1mm? deep cut on half of the steerer tube. Is this fork done for? Or am I just paranoid. Aluminum ...
1
vote
1
answer
326
views
Broken fork bearing crown race stays
this is my diy electric bike, but in the latest headset servicing (I had to change the seal of the top bearing), I noticed that I've a broken part on the top of the "bearing crown race stays"...
- 490
5
votes
2
answers
362
views
Which kind of test has bike parts to pass to be sold?
This is a question regarding bureaucracy/testing. What are the quality tests / standards that a bicycle and/or its parts need to pass before access the market?
I am thinking about Germany/USA and ...
- 3,770
2
votes
1
answer
3k
views
Are full carbon forks less prone to failing from hidden defects than those with alloy steerers?
Are full carbon forks less prone to failing from hidden defects than those with alloy steerers?
Even though the mechanics couldn't find problems with Richard Stanton's bike, his fork failed ...
- 1,053
4
votes
2
answers
1k
views
How to tell when to change steel front fork?
I am riding a Dawes made sometime before 1974 and have read in a Swedish report (http://vti.diva-portal.org/smash/get/diva2:694821/FULLTEXT01.pdf) that front fork failure is a not uncommon cause of ...
4
votes
2
answers
1k
views
Is a long, high angle stem safe to use with a carbon steerer?
I purchased a hardly used road bike someone else had built up for a deal a few weeks ago, and am a bit disappointed with the fit - it's fine for rides less than a couple hours, but too aggressive for ...
- 83
3
votes
4
answers
7k
views
Is it safe to ride with bent fork?
My bicycle went from this when I bought it:
To this when I crashed (note the front fork bent where it attaches to the stem; front wheel almost touches the down tube):
Update: Just looked at the ...
- 924
7
votes
5
answers
2k
views
Can a Reynolds 753 aero fork steerer tube be unbent?
I was hit by a car and now the steerer of my Reynolds 753 aero fork is bent.
Is it possible to bend them back? Would that be safe?
I can't afford a new pair!
- 71