SKS Chromoplastics stress fracture
kelsen
Posts: 2,003
Has anyone else experienced their rear SKS mudguard shearing into pieces after prolonged use? I think the constant road vibration causes this at the stress points (i.e. where it is clamped at the seat stay bridge). I got a pair replaced under warranty, but the same thing happened again. I'm reluctant to get another pair now.
(I'm aware there's a mudguard thread in Commuting General, but let's face it, more replies will be gotten here)
(I'm aware there's a mudguard thread in Commuting General, but let's face it, more replies will be gotten here)
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kelsen wrote:(I'm aware there's a mudguard thread in Commuting General, but let's face it, more replies will be gotten here)
Whilst that is true, you are more likely to receive bad pun based responses on this forum. I'd keep your guard up ready for the mud slinging if I were you.FCN 5 belt driven fixie for city bits
CAADX 105 beastie for bumpy bits
Litespeed L3 for Strava bits
Smoke me a kipper, I'll be back for breakfast.0 -
kelsen wrote:Has anyone else experienced their rear SKS mudguard shearing into pieces after prolonged use? I think the constant road vibration causes this at the stress points (i.e. where it is clamped at the seat stay bridge). I got a pair replaced under warranty, but the same thing happened again. I'm reluctant to get another pair now.
(I'm aware there's a mudguard thread in Commuting General, but let's face it, more replies will be gotten here)
I had the rear lug at the back of the mudguard shear, leaving the stay dangling in mid air; had pictures on FlickR but seem to have deleted them!
Emailed SKS with the photographs (or at least a link to them) and they responded by sending a new set, even though the mudguard was about 14 months old.0 -
Reading that I may try contacting SKS then. The front of my wife's front mudguard sheared off at the fork (where the "L" bracket joins) a couple of weeks back. I wasn't looking forward to paying £30+ just to replace it. It was an insurance replacement bike (Tricross) last August, so I would have hoped it would last longer :?0
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@ gbsahne: are SKS's contact details easy to find?0
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Its only happened to me with every set of SKS's I've ever had. On the other hand, they do not ratttle, they are light and you can wrestle them on to virtually any frame. If I see a fracture, I simply apply some black duct tape to extend the life a while longer.0
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I've a set of chrono's and needed to drill a hole to then bolt to the frame...been going strong for over a year with no issues....been taking the guards on and off as well.0
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Its a case of striking the balance os not putting them on too tightly, which increases the existing stress risers in the material and putting them on to loosely which then causes a vibration which can hit the guards natural frequency causing them to basically fall apart.
If the same thing has happened with two sets then there are two reasons why this could be.
1) incorrect fitting
2) Material defect
If it's a material defect then the manufacturer needs to take a look at the design and build of the productOfficers don't run, it's undignified and panics the men0 -
Specialized Needs wrote:@ gbsahne: are SKS's contact details easy to find?
http://www.sks-germany.com/?l=en&a=contact0 -
SKS Chromoplastics stress fracture?
About £20k but you'll need proper legal advice“New York has the haircuts, London has the trousers, but Belfast has the reason!0