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PostPosted: Sun Oct 27, 2013 9:43 pm 
Devout Dirtbag

Joined: Sat Feb 09, 2013 12:41 am
Posts: 111
This is a friend's bike:
Frame's about 20 years old but parts are modern. Think it may have had stays respaced for modern 10/11-spd(?). Drop out looks bent in from stay - does that look healthy in photos? Note the horizontal line where drop-out joins stay.
Seems to run ok spinning through all the gears on the work-stand but not so good under weight/strain of proper riding.
Says gears feel as though they're stuttering & wheel feels like it wants to come out.
Any thoughts?
Ps. Will be next weekend at least before I actually get to see bike...

PostPosted: Sun Oct 27, 2013 10:05 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 8957
Location: New Forest, UK
Usually gear jumping under load is the sign of a worn cassette. A frame form 1993ish would have a 130mm spacing, the same as today.

PostPosted: Mon Oct 28, 2013 2:38 am 
r.B.o.T.M. & P.o.T.M. Winner
r.B.o.T.M. & P.o.T.M. Winner
User avatar

Joined: Thu Nov 22, 2007 10:51 am
Posts: 2549
Location: Camel Land
well you may need a gear hanger alignment tool to check for a bent gear hanger also.
Worn chain on newer cogs or vice versa will always be jumping, making funny noises also.

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