markharry66
Guru
Noticed today my tyres which are less than six months old (I have done a lot of miles on them) are starting to crack on the rim. Small hair line cracks is this a defective tyre. Or something I am doing wrong
Noticed today my tyres are cracking up
- Thread starter markharry66
- Start date
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david1701
Well-Known Member
- Location
- Bude, Cornwall
do you run them at proper pressures?
OP
OP
markharry66
Guru
I run them at 110 psi or just below
david1701
Well-Known Member
- Location
- Bude, Cornwall
I'm out of ideas then, my sisters cracked but she rode a lot below pressure :s
corshamjim
New Member
- Location
- Corsham
I noticed little cracks next to the rim on the tyres of my Trek - I put that down to them being rubbish tyres but I'm no expert. I'm presuming the main strength of the tyre is underneath the surface rubber so I haven't bothered replacing them.
Angelfishsolo
A Velocipedian
- Location
- Cwmbach, South Wales
Only other thought is temperature changes. I have seen this when a bike is kept indoors near a heat source and then ridden in all weathers.
Schwalbe Marathons crack in the sidewalls after a year or two
Panaracer Straitus Pro crack all over the casing after a year-ish
This isn't wear as such, it is just the casing "ageing" or something. The sidewall cracks seem pretty harmless. The crazing on the Stratius Pro was affecting the shoulders and the main tread. This could in theory lead to more punctures, although this didn't happen. They have been taken off the bike and put in the spares pile
If the tyres don't look worn then take them back to the shop you got the bike from. 6 months is too soon for this sort of problem to occur. If it is really the same as I was seeing it is not "wear and tear"
Panaracer Straitus Pro crack all over the casing after a year-ish
This isn't wear as such, it is just the casing "ageing" or something. The sidewall cracks seem pretty harmless. The crazing on the Stratius Pro was affecting the shoulders and the main tread. This could in theory lead to more punctures, although this didn't happen. They have been taken off the bike and put in the spares pile
If the tyres don't look worn then take them back to the shop you got the bike from. 6 months is too soon for this sort of problem to occur. If it is really the same as I was seeing it is not "wear and tear"
hotmetal
Senior Member
- Location
- Near Windsor
The tyres on my winter hack were years old before I treated myself to a pair of CityJets and the sidewalls were so perished that if you rub them you get little crumbs of hard rubber. Despite plenty of abuse nothing untoward ever happened though. Not exactly mechanically sympathetic or best practice, but it was only my hack. So I wouldn't be overly concerned, I don't think your tyre is about to shred itself. If you can get it replaced for a different brand FOC, I would though.
