nitrogen

Hello, Had anyone ever tried to use nitrogen to contract the crankshaft pin before install the conrod with pin and to the crank?I think that would be easier to push the pin to the crank because in so low tempertures the pin would be some microns smaller and so easier to install it and with...

I'm having my suspension revalved tomorrow by the local WP specialist, he asked me if it was OK to replace the stock nitrogen valve with a shreider valve. I had an issue with my '02 chain hitting the valve and grinding (slowly) away at the valve cap. Anyone else have this issue? Anyone else...

Like the title says, I've never understood what the nitrogen does in my shock. Can anyone please tell me? To be precise, it there something horrible that can happen when replacing your nitrogen with oxygen? Having trouble finding refill establishments. I've filled my PDS shock with oxygen as a...