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Do you mean between black and light grey? Light grey pins have always been the kind you use for rotating connections (low friction), whereas black was for non-r
by voidUpdate 7mo ago
Do you mean between black and light grey? Light grey pins have always been the kind you use for rotating connections (low friction), whereas black was for non-rotating ones (high friction). Newer blue pins are also high friction, IIRC. I haven't bought new lego technic in a while, so I don't know if there's been any new colours added
EDIT: I think I also had some dark grey pins, but I don't remember if they were high or low friction
- normie3000 7mo ago> Light grey pins have always been... I think the black ones were a later addition, likely late nineties.
- vidarh 7mo agoPer the article I linked to, '93. Which is presumably why I didn't notice until my son started playing with it, as I'd stopped playing with mine by then.
- fwip 7mo agoMy memory of twenty years ago says the dark-grey pins were 1 stud wide on one side, and half-wide on the other, and low-friction like the light-grey ones.
- MisterTea 7mo agoI think they were light grey as well. They were commonly used to make cranks out of the 4185 belt wheel or attach objects to the wheel.