Tyre suddenly gets tilted Hey guys i have a simple cycle .It do not have gears in it but today while cycling , my rear tyre suddenly gets tilted towards right hand side . One of the , the upper side is tilted towards right and the other side bottom part is tilted towards left hand  ..plz help me
The wheel nuts on the ends of the axle may have been a bit loose allowing the axle to shift a bit in the frame. Try loosening both nuts with a spanner, centre the wheel carefully, then tighten the nuts again (need to be good and tight). Then re-check that the wheel is running correctly.