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Repair a puncture10.2
Preparation
1. Makesurethatthewheelwiththeattyrecanturnfreely.
• Putthebicycleupsidedown(onablanketortheliketoavoiddamage);
• incaseofwheelswithaquickcoupling,theentirewheelcanberemoved.
Make sure to protect the bicycle against damage.
2. Check the outside of the tyre and remove any cause of the puncture.
• smallstones;
• piecesofglass(becarefulforcutting);
• anail.
Step 1
1. Remove the valve cap (A).
2. Remove vale (B) by loosening nut (C).
3. Remove nut (D).
Step 2
1. Push the edge of the tyre to the centre of the rim.
2. Placethersttyrelever(A)betweenthetyreand
the rim. Not close to the valve because of a risk of
damage.
Caution:Becarefulwithrespecttothetyre
levers slipping off.
3. Secure the tyre lever behind a spoke.
4. Place the second tyre lever further back on the tyre
and secure it behind a spoke.
5. Place the third tyre lever two spokes further again.
6. Loosen the tyre manually and check the inside of
the tyre for sharp objects. Be careful for cutting.
7. Remove any found sharp object.
Step 3
1. Press the valve inward.
2. Pull the inner tube (A) outward.