I'm thinking your red pedals are titanium axles and are indeed ~3mm shorter than the standard stainless steel axles.
Given your magnet doesn't stick to the red pedal axles also almost certainly confirms this....
@Amir_Atbak started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
I'm thinking your red pedals are titanium axles and are indeed ~3mm shorter than the standard stainless steel axles.
Given your magnet doesn't stick to the red pedal axles also almost certainly confirms this....