Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

Clydesdales/Athenas (200+ lb / 91+ kg) Looking to lose that spare tire? Ideal weight 200+? Frustrated being a large cyclist in a sport geared for the ultra-light? Learn about the bikes and parts that can take the abuse of a heavier cyclist, how to keep your body going while losing the weight, and get support from others who've been successful.

User Tag List

Reply
 
Thread Tools Search this Thread
Old 06-09-10, 07:14 PM   #1
daffonce
Senior Member
Thread Starter
 
Join Date: Apr 2010
Bikes:
Posts: 103
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Bad day

Went out for normal wednesday night ride. It rained like a mofo but I went out with 1 rider. He rode half the way with me then headed home. Anyways the gears were skipping like a mofo. I went to the shop and they think the frame is cracked. Unfortunately I bought it used and the warranty doesn't transfer. And I have a triathlon next weekend UGH!!! and I leave for maine tomorrow, maybe raleigh will be cool and warranty the frame anyways.
daffonce is offline   Reply With Quote
Old 06-09-10, 09:04 PM   #2
mthayer
Senior Member
 
Join Date: Nov 2009
Location: LLano, TX
Bikes: 2009 Novara Randonee
Posts: 568
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
That sucks. Hopefully Raleigh will fix the frame for you.
mthayer is offline   Reply With Quote
Old 06-09-10, 09:09 PM   #3
rdtompki
Senior Member
 
rdtompki's Avatar
 
Join Date: Nov 2008
Location: Hollister, CA
Bikes: Volagi, daVinci Joint Venture
Posts: 3,962
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
The phrase "Think the frame is cracked" sounds very sketchy. What material construction is the frame and where do they think it is cracked? Maybe a material/mechanical guy will chime in.
rdtompki is offline   Reply With Quote
Old 06-10-10, 07:11 AM   #4
daffonce
Senior Member
Thread Starter
 
Join Date: Apr 2010
Bikes:
Posts: 103
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
It is cracked just behind the bottom bracket. The frame is an aluminum alloy/carbon fiber composite. I can see a crack, just in my head telling myself it is just a crack in the paint. But in reality the way the gears are skipping it is because the frame is flexing. I am an engineer and it makes sense.
daffonce is offline   Reply With Quote
Old 06-24-10, 03:32 PM   #5
spthealien
Senior Member
 
spthealien's Avatar
 
Join Date: Jun 2009
Location: San Diego, CA
Bikes: Giant Deny Advanced, GT Avalanche, Giant Seek
Posts: 162
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
So what happened?
spthealien is offline   Reply With Quote
Old 06-24-10, 04:17 PM   #6
Seattle Forrest
Senior Member
 
Seattle Forrest's Avatar
 
Join Date: Mar 2010
Location: Seattle, WA
Bikes:
Posts: 13,542
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 147 Post(s)
Quote:
Originally Posted by daffonce View Post
It is cracked just behind the bottom bracket. The frame is an aluminum alloy/carbon fiber composite. I can see a crack, just in my head telling myself it is just a crack in the paint. But in reality the way the gears are skipping it is because the frame is flexing. I am an engineer and it makes sense.
Even if the paint is cracked ... I'm wondering how that might happen, and what else might be affected?
Seattle Forrest is offline   Reply With Quote
Old 06-25-10, 11:59 AM   #7
daffonce
Senior Member
Thread Starter
 
Join Date: Apr 2010
Bikes:
Posts: 103
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
The bike is currently sitting in my bedroom waiting to be stripped of parts. It has at least two cracks. On in the wishbone right behind the bottom bracket (this is Al for sure). Another were the Carbon fiber and Al of the downtube connect. I was told the bike had not been crashed. I was told it was bought as left over inventory in 08 riden 08 and 09, I bought Xmas 09. The bike is very clean, therefore I find it hard to believe it was crashed. I take it that it was riden in many hills based on its original location. When the issue occured I just started to climb a real steep hill (0-6+% instantly). I was about 4 gears too high. I am a big guy with very strong legs (ex college football lineman), I laid into the cranks to keep moving while i frantically shifted into a more appropriate gear. I do not know if maybe the bike had been crashed, if it was just fatigued from past hill climbing, or if my leg power + weight was just too much for the frame. somehow it cracked in multiple places, if you put force on the pedals you can see the flex in the bottom bracket area. in the end I decided a $1200 investment in a new bike was a better investment then waiting for a crack to give while I was on the bike. If you would like i'll shoot some photos of it, and once I strip the parts that will be sold I am comptemplating sanding down the areas in question. The guys from the bike shop said that a lot of CF/Al composite bike develop cracks in the paint at the joints of CF/Al. The two materials have different stiffness' therefore the two strain differently under riding, and the paint isn't flexible enough. Raleigh put a sticker over every CF/Al junction, I'm willing to be this was to cover up said paint defects.
daffonce is offline   Reply With Quote
Old 06-25-10, 02:57 PM   #8
dscheidt
Senior Member
 
Join Date: Jul 2008
Bikes:
Posts: 1,373
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
my money is on "it was crashed".
dscheidt is offline   Reply With Quote
Old 06-25-10, 07:17 PM   #9
daffonce
Senior Member
Thread Starter
 
Join Date: Apr 2010
Bikes:
Posts: 103
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
even if there was no nicks in the paint/clear coat? I mean the whole frame was perfect and it is two colored (orange and CF). Still a possible crash victim?
daffonce is offline   Reply With Quote
Old 06-25-10, 07:48 PM   #10
Wogster
Senior Member
 
Wogster's Avatar
 
Join Date: Jul 2006
Location: Toronto (again) Ontario, Canada
Bikes: Norco Bushpilot (out of commission), Raleigh Delta
Posts: 6,941
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by daffonce View Post
even if there was no nicks in the paint/clear coat? I mean the whole frame was perfect and it is two colored (orange and CF). Still a possible crash victim?
I think what we need here are some photographs, first one that shows the bike from the side against a nice neutral surface taken from bike level, this should be from the drive side, and then closeups of the area affected.
Wogster is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -6. The time now is 03:59 PM.