Punctures
Feeling like you must be jinxed!
Don't despair - no-one is immune from punctures.
However, if you find yourself regularly having to get your hands dirty changing a tube, then perhaps there is an underlying problem - some possible causes are:
1) Glass, stone or other road debris often penetrate the tyre casing and puncture the tube. Regular (weekly) checking of any nicks or cuts in your tyres and removal of foreign objects will prolong your “puncture free” period. If you are unfortunate enough to have a puncture, make sure you remove the offending object before installing your new or repaired tube.
2) Faulty or poor quality rim tapes are often the cause of punctures due to the end of the spoke piercing the inner side of the tube. Particularly a problem with high pressure tyres. (Over 100 PSI.) While on this point, often an incorrect type of rim tape can be the culprit. High pressure wheels often have rims with recessed spoke holes and these require something stronger than a mere rubber rim tape (usually cotton or plastic) to prevent the rim tape collapsing into the recess and allowing the spoke to puncture the tube.
3) Worn tyres with an insufficient thickness of tread are far more likely to puncture than tyres in good condition. If in doubt - chuck them out! While on this point higher quality tyres are usualy far more puncture resistant than the "cheapies", so if all other factors have been eliminated, a new pair of high quality tyres may just handle the problem.
4) Under-inflation of tyres often cause what is known as a “pinch flat” or “snake bite”. This is usually evident by two puncture holes side by side. Inflating your tyres to the recommended pressure as indicated on the sidewall will provide protection from the dreaded “snake bite”. A good floor pump with a pressure gauge may prevent most punctures from ever occuring!