Simplex SLJ6600 Aerodynamic rear derailleur

Jockanese · Apr 25, 2012

Simplex SLJ6600 Aerodynamic rear derailleur on e-bay:

http://www.ebay.com/itm/320893469939?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1586.l2649

latman · Apr 27, 2012

I wonder why it was called that ?

Jockanese · Apr 27, 2012

Maybe because compared to the others of that time it was quite aerodynamic? Or it could just be the French being clever!

Ian Raleigh · Apr 28, 2012

latman":1fy70ns7 said:
I wonder why it was called that ?

As the original poster says !

Most rear mech's at that time had a slant parallelogram, eg' the old Campag' 70's -80's rear mech's pointed downwards
making them as aerodynamic as a brick in the wind but the SLJ6600 rear mech' had a Inline parallelogram which pointed
'into the wind' making it look more aerodynamic, If i remember i think it was Shimano who first invented the 'inline look'

The changing up or down of these rear mech's is so smooth i can genuinely say it is far better in
quality and looks than a 80's SR version, Never mock French Simplex stuff until you have tried them out.

I wished i'd have a more forgiving wife because i'd have this mech' :roll:

Ian.

Midlife · Apr 28, 2012

Thought that mech (like the original suntour) was a "slant pantograph" to keep the distance between the jockey wheels and the sprockets as even as possible, allow for a larger low gear and to wrap around the chain more to stop jumping

Shaun

Simplex SLJ6600 Aerodynamic rear derailleur

Jockanese

Dirt Disciple

latman

Senior Retro Guru

Jockanese

Dirt Disciple

Ian Raleigh

Midlife

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