Bike Forums - View Single Post - Stuck eccentric BB (Trek T100)

06-20-23 | 01:28 PM

#21

BikeTim42

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Joined: Jun 2023

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From: Menlo Park, ,CA

Bikes: 1982 Bianchi Nuevo Racing, 1987 Trek 700 Tri Series, 1987 Guerciotti GLX, 1989 Trek 7000 (converted to drop bar), 1991 Litespeed restomod, 2002 Klein Quantum, 2002 Ventana El Saltamontes, 2003 Waterford Adventure Cycle, 2015 Scott Sub Speed 10, , 201

Quote:

Originally Posted by BikeTim42

I know this is an old post but do you know if the eccentrics in the MT2000 from '94 are of the newer retention design? Or how to identify it? I'd hate to back out the bolt too far trying

I may have answered my own question with a bit more digging. It appears that the newer ones have an EXTERNAL circlip for the bolt to press against to push the wedge. If you do not see one on the outside, it must be the older one. (my '94 MT 2000 has the older). I think the size of the positioning holes is bigger on the new ones too including hex fitting internally instead of simple pin tool holes.

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