404KiB, 1080x1080, pepe brain.png View SameGoogleiqdbSauceNAO Anonymous Wed 04 Dec 01:55:03 2019 No.11197291 ViewReplyOriginalReport Quoted By: >>11197310 >>11197313 >>11197393 >>11197522 >>11198060 >>11198149 >>11198252 Your bike tyres are flat. You weigh your bike, then you pump up the tyres. Is it heaver or lighter after pumping up the tyres? You should be able to answer this.