Step inside ahead steerer tube...?

thefunkymunki · Jun 6, 2013

Has anyone come across an ahead steerer tube which has a step on the inside, ie the steerer tube has an ever so slightly larger diameter than the bottom? Maybe 0.5mm.

I have a pair of forks with the above and was wondering what the reason may be. To make the steerer easier to trim maybe? Or a dangerous flaw?

Any thoughts?

Cheers.

hamster · Jun 6, 2013

Wider for the star fangled nut, plus saving some weight in the middle? I think the extra was also to give strength if somebody cut a thread on it.

Certainly the steel P2 fork had a butted steerer.

thefunkymunki · Jun 6, 2013

These were sold to me as P2s with no decals so that would make sense. I have had 3 pairs of P2s in the past though and never come accross this... different models maybe.

dyna-ti · Jun 6, 2013

Pic ?
Speaks a thousand words im told.

thefunkymunki · Jun 6, 2013

I'll try and get one sorted 2mrw, its about an inch and a half down so not sure how it'll come out but I'll give it a whirl.

Step inside ahead steerer tube...?

thefunkymunki

Senior Retro Guru

hamster

Retro Wizard

thefunkymunki

Senior Retro Guru

dyna-ti

thefunkymunki

Senior Retro Guru

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