1991 marin seat tube diameter...

wookiee · Mar 17, 2013

Anyone know off the top of their heads know what band diameter a 1991 Marin Palisades front mech would be? (awaiting arrival of a frame and trying to source some bits to fit.)

Much appreciated!

Doug

mikee · Mar 17, 2013

Dunno , I'd say 31.8 with a 26.8/27.2 post

wookiee · Mar 17, 2013

mikee":2wuiu22r said:
Dunno , I'd say 31.8 with a 26.8/27.2 post

Thanks but I kinda need a definitive before I buy the wrong front mech!

bm0p700f · Mar 17, 2013

My 1989 is 28.6mm. You should be able to tell by looking at it. If its steel then it will more than likely be 28.6mm. Alu frames will be 31.8mm and only later frames will be 34.9mm as the craze for stiffness took hold.

wookiee · Mar 17, 2013

bm0p700f":2olojmoh said:
My 1989 is 28.6mm. You should be able to tell by looking at it. If its steel then it will more than likely be 28.6mm. Alu frames will be 31.8mm and only later frames will be 34.9mm as the craze for stiffness took hold.

Thanks I would look at it but not yet with me...its steel and a 1991 palisades...

xerxes · Mar 17, 2013

My 1991 Marin uses a 28.6mm front mech.

wookiee · Mar 17, 2013

xerxes":1vpjrwne said:
My 1991 Marin uses a 28.6mm front mech.

Thanks bud...whats the model? Only that my 91 Team has a 30.3mm seat post! :shock:

xerxes · Mar 17, 2013

Mines a Pine Mountain which has a 27.0mm seat post. With a 30.3mm seat post I'd say it probably needs a 31.8mm front mech.

Do you have a set of calipers, or vernier calipers with which you could measure it? Alternatively use a tailor's tape measure to measure the circumference and divide it by 3.14159 to get the diameter.

wookiee · Mar 17, 2013

xerxes":3bu6nsm6 said:
Mines a Pine Mountain which has a 27.0mm seat post. With a 30.3mm seat post I'd say it probably needs a 31.8mm front mech.

Do you have a set of calipers, or vernier calipers with which you could measure it? Alternatively use a tailor's tape measure to measure the circumference and divide it by 3.14159 to get the diameter.

Sorry its not for the Team but a Palisades so I'm guessing its the same as the PM...I don't have the frame yet just trying to amass the parts!

integerspin · Mar 19, 2013

All the frames with afterburners I have take a 28.6mm front mech. The 1990 PM has a 31.8mm front mech.

1991 marin seat tube diameter...

wookiee

mikee

wookiee

bm0p700f

Senior Retro Guru

wookiee

xerxes

Old School Grand Master

wookiee

xerxes

Old School Grand Master

wookiee

integerspin

Senior Retro Guru

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