Confused!!

  1. #1
    1 of my rear tyres and 1 of my front tyres keep on going down and i took it to gararge and they reakon they aint got no slow puctures or anything. they said air might be excaping when im going over speed bumps and stuff. what you think? Mayb i need new tyres?
  2. #2
    knackered valves?
  3. #3
    ye as said above faulty falve
  4. #4
    air escaping when going over speed bumps, lol they no jack