- Pike 454 U turn LEAKING???
how cold is it where you are?
I had similar odd negative pressure behaviour on my pikes the other week during a very cold night ride (sub zero). When I checked them again in milder weather they seem to be normal again – I was all ready to send them to TFT but I am going to just keep an eye on them for a bit
TimPosted 9 years agoCaptainMainwaringMember
The -ve chamber is very small, so when you connect the pump, the amount of air moving into the pump hose is large in relation to the chamber – will drop about 30psi when you connect.
If you check your pressures (+ve and -ve)in the house at +25c then go and ride in -2 or -3c the air volume will be greatly reduced – P=VT if memory serves.
Set your pressures correctly, re-attach the pump immediately and note what the pressure drops to. Pump back to correct pressure and leave for a day or two – check again. If the pressure drops back to the previous level you are OKPosted 9 years ago
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